• KM Brands
  • New Products
  • Abrasives
  • Bins & Assortments
  • Cutting Tools
  • Electrical
  • Fasteners
  • Fleet & Vehicle
  • Hydraulics & Pneumatics
  • Paint
  • Shop Supplies
  • Tools

Buna-N 70 O-Rings

Chasing a weeping fitting or lazy cylinder? Buna-N 70 O-rings give you a dependable, general-purpose seal with solid resistance to oils and many shop fluids, plus a -65 °F to 300 °F temp range. Stock metric and inch sizes with walls from 1 mm to 5 mm and 1/16" to 3/16" so you can match the groove and keep downtime out of your day.

Product View:
Items per page: 30 60 90
Sort:
Filter
  • Show More
  • Show Less
  • Show More
  • Show Less
  • Show More
  • Show Less
  • Show More
  • Show Less
Filter
  • Show More
  • Show Less
  • Show More
  • Show Less
  • Show More
  • Show Less
  • Show More
  • Show Less
Sort By
  Recommended
  Name A-Z
  Name Z-A
292 results
Buna-N 70 O-Rings w/ 1/16" Wall
Buna-N 70 O-Rings w/ 1/16" Wall
Buna-N 70 o-rings made from nitrile rubber with a 1/16" wall thickness and 70 durometer hardness. They resist a wide range of oils, solvents and fluids and operate from -65 °F to 300 °F which helps maintain seals in general industrial and repair applications.
Industry Number Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
003
1/16"
3/16"
1/16"
Nitrile
70
20
Log in to view price
004
5/64"
13/64"
1/16"
Nitrile
70
20
Log in to view price
005
3/32"
7/32"
1/16"
Nitrile
70
20
Log in to view price
006
1/8"
1/4"
1/16"
Nitrile
70
20
Log in to view price
007
5/32"
9/32"
1/16"
Nitrile
70
20
Log in to view price
008
3/16"
5/16"
1/16"
Nitrile
70
20
Log in to view price
009
7/32"
11/32"
1/16"
Nitrile
70
20
Log in to view price
010
1/4"
3/8"
1/16"
Nitrile
70
20
Log in to view price
011
5/16"
7/16"
1/16"
Nitrile
70
20
Log in to view price
012
3/8"
1/2"
1/16"
Nitrile
70
20
Log in to view price
013
7/16"
9/16"
1/16"
Nitrile
70
20
Log in to view price
014
1/2"
5/8"
1/16"
Nitrile
70
20
Log in to view price
Buna-N 70 O-Rings w/ 3/32" Wall
Buna-N 70 O-Rings w/ 3/32" Wall
Buna-N 70 o-rings made from nitrile rubber with a 3/32" wall thickness and 70 durometer hardness. Black sealing rings resist a wide range of oils, solvents and fluids and operate from -65 °F to 300 °F which helps maintain seals in general industrial and repair applications.
Industry Number Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
103
3/32"
9/32"
3/32"
Nitrile
70
20
Log in to view price
104
1/8"
5/16"
3/32"
Nitrile
70
20
Log in to view price
105
5/32"
11/32"
3/32"
Nitrile
70
20
Log in to view price
106
3/16"
3/8"
3/32"
Nitrile
70
20
Log in to view price
107
7/32"
13/32"
3/32"
Nitrile
70
20
Log in to view price
108
1/4"
7/16"
3/32"
Nitrile
70
20
Log in to view price
109
5/16"
1/2"
3/32"
Nitrile
70
20
Log in to view price
110
3/8"
9/16"
3/32"
Nitrile
70
20
Log in to view price
111
7/16"
5/8"
3/32"
Nitrile
70
20
Log in to view price
112
1/2"
11/16"
3/32"
Nitrile
70
20
Log in to view price
113
9/16"
3/4"
3/32"
Nitrile
70
20
Log in to view price
114
5/8"
13/16"
3/32"
Nitrile
70
20
Log in to view price
Buna-N 70 O-Rings w/ 1/8" Wall
Buna-N 70 O-Rings w/ 1/8" Wall
Buna-N 70 o-rings made from nitrile rubber with a 1/8" wall thickness. These black o-rings have a 70 durometer for general sealing applications and operate from -65 °F to 300 °F. Resistant to many oils and solvents which helps maintain reliable sealing in equipment maintenance.
Industry Number Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
201
3/16"
7/16"
1/8"
Nitrile
70
20
Log in to view price
202
1/4"
1/2"
1/8"
Nitrile
70
20
Log in to view price
203
5/16"
9/16"
1/8"
Nitrile
70
20
Log in to view price
204
3/8"
5/8"
1/8"
Nitrile
70
20
Log in to view price
205
7/16"
11/16"
1/8"
Nitrile
70
20
Log in to view price
206
1/2"
3/4"
1/8"
Nitrile
70
20
Log in to view price
207
9/16"
13/16"
1/8"
Nitrile
70
20
Log in to view price
208
5/8"
7/8"
1/8"
Nitrile
70
20
Log in to view price
209
11/16"
15/16"
1/8"
Nitrile
70
20
Log in to view price
210
3/4"
1"
1/8"
Nitrile
70
20
Log in to view price
211
13/16"
1-1/16"
1/8"
Nitrile
70
20
Log in to view price
212
7/8"
1-1/8"
1/8"
Nitrile
70
20
Log in to view price
Buna-N 70 O-Rings w/ 3/16" Wall
Buna-N 70 O-Rings w/ 3/16" Wall
Buna-N 70 o-rings made from nitrile rubber with a 3/16" wall thickness and 70 durometer. These black seals resist a wide range of oils, solvents and fluids and operate from -65 °F to 300 °F which provides durable sealing for equipment maintenance and repair tasks.
Industry Number Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
315
13/16"
1-3/16"
3/16"
Nitrile
70
10
Log in to view price
316
7/8"
1-1/4"
3/16"
Nitrile
70
10
Log in to view price
317
15/16"
1-5/16"
3/16"
Nitrile
70
10
Log in to view price
318
1"
1-3/8"
3/16"
Nitrile
70
10
Log in to view price
319
1-1/16"
1-7/16"
3/16"
Nitrile
70
10
Log in to view price
320
1-1/8"
1-1/2"
3/16"
Nitrile
70
10
Log in to view price
321
1-3/16"
1-9/16"
3/16"
Nitrile
70
10
Log in to view price
322
1-1/4"
1-5/8"
3/16"
Nitrile
70
10
Log in to view price
323
1-5/16"
1-11/16"
3/16"
Nitrile
70
10
Log in to view price
324
1-3/8"
1-3/4"
3/16"
Nitrile
70
10
Log in to view price
325
1-1/2"
1-7/8"
3/16"
Nitrile
70
10
Log in to view price
326
1-5/8"
2"
3/16"
Nitrile
70
10
Log in to view price
Metric Buna-N 70 O-Rings w/ 1mm Wall
Metric Buna-N 70 O-Rings w/ 1mm Wall
Metric Buna-N 70 o-rings with a 1 mm wall made from nitrile rubber. 70 durometer construction resists oils, solvents and fluids and operates from -65 °F to 300 °F. Suitable for general sealing in industrial and equipment maintenance applications, multiple size options available.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
2 mm
4 mm
1 mm
Nitrile
70
20
Log in to view price
3 mm
5 mm
1 mm
Nitrile
70
20
Log in to view price
4 mm
6 mm
1 mm
Nitrile
70
20
Log in to view price
5 mm
7 mm
1 mm
Nitrile
70
20
Log in to view price
6 mm
8 mm
1 mm
Nitrile
70
20
Log in to view price
10 mm
12 mm
1 mm
Nitrile
70
20
Log in to view price
15 mm
17 mm
1 mm
Nitrile
70
20
Log in to view price
Metric Buna-N 70 O-Rings w/ 1.5mm Wall
Metric Buna-N 70 O-Rings w/ 1.5mm Wall
Metric Buna-N 70 o-rings with a 1.5 mm wall thickness made from nitrile. 70 durometer provides general-purpose sealing and resists oils, solvents and fluids. Temperature range -65 °F to 300 °F. Available in multiple inside diameter options for repair tasks.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
5 mm
8 mm
1.5 mm
Nitrile
70
20
Log in to view price
6.5 mm
9.5 mm
1.5 mm
Nitrile
70
20
Log in to view price
9 mm
12 mm
1.5 mm
Nitrile
70
20
Log in to view price
13 mm
16 mm
1.5 mm
Nitrile
70
20
Log in to view price
14 mm
17 mm
1.5 mm
Nitrile
70
20
Log in to view price
16 mm
19 mm
1.5 mm
Nitrile
70
20
Log in to view price
25 mm
28 mm
1.5 mm
Nitrile
70
20
Log in to view price
Metric Buna-N 70 O-Rings w/ 2mm Wall
Metric Buna-N 70 O-Rings w/ 2mm Wall
Metric Buna-N 70 o-rings made from nitrile rubber with a 2 mm wall thickness. Black, 70 durometer construction resists oils, solvents and common fluids and performs from -65 °F to 300 °F. Useful for seals in industrial equipment and repair tasks, provides durable oil resistance and improved sealing.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
3 mm
7 mm
2 mm
Nitrile
70
20
Log in to view price
4 mm
8 mm
2 mm
Nitrile
70
20
Log in to view price
5 mm
9 mm
2 mm
Nitrile
70
20
Log in to view price
6 mm
10 mm
2 mm
Nitrile
70
20
Log in to view price
7 mm
11 mm
2 mm
Nitrile
70
20
Log in to view price
8 mm
12 mm
2 mm
Nitrile
70
20
Log in to view price
9 mm
13 mm
2 mm
Nitrile
70
20
Log in to view price
10 mm
14 mm
2 mm
Nitrile
70
20
Log in to view price
11 mm
15 mm
2 mm
Nitrile
70
20
Log in to view price
12 mm
16 mm
2 mm
Nitrile
70
20
Log in to view price
13 mm
17 mm
2 mm
Nitrile
70
20
Log in to view price
14 mm
18 mm
2 mm
Nitrile
70
20
Log in to view price
Metric Buna-N 70 O-Rings w/ 2.5mm Wall
Metric Buna-N 70 O-Rings w/ 2.5mm Wall
Metric Buna-N 70 o-rings manufactured from nitrile rubber with a 2.5 mm wall thickness. Rated 70 durometer for general sealing, they resist a wide range of oils, solvents and fluids and operate from -65 °F to 300 °F which helps maintain reliable seals in equipment maintenance and repair tasks.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
8 mm
13 mm
2.5 mm
Nitrile
70
20
Log in to view price
10 mm
15 mm
2.5 mm
Nitrile
70
20
Log in to view price
11 mm
16 mm
2.5 mm
Nitrile
70
20
Log in to view price
12 mm
17 mm
2.5 mm
Nitrile
70
20
Log in to view price
13 mm
18 mm
2.5 mm
Nitrile
70
20
Log in to view price
14 mm
19 mm
2.5 mm
Nitrile
70
20
Log in to view price
16 mm
21 mm
2.5 mm
Nitrile
70
20
Log in to view price
17 mm
22 mm
2.5 mm
Nitrile
70
20
Log in to view price
18 mm
23 mm
2.5 mm
Nitrile
70
20
Log in to view price
19 mm
24 mm
2.5 mm
Nitrile
70
20
Log in to view price
20 mm
25 mm
2.5 mm
Nitrile
70
10
Log in to view price
21 mm
26 mm
2.5 mm
Nitrile
70
10
Log in to view price
Metric Buna-N 70 O-Rings w/ 3mm Wall
Metric Buna-N 70 O-Rings w/ 3mm Wall
Metric Buna-N 70 o-rings with a 3 mm wall thickness made from nitrile rubber. 70 durometer and a temperature range of -65 °F to 300 °F provides general-purpose sealing and resists many oils, solvents and fluids. Useful for industrial equipment maintenance and repair tasks.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
10 mm
16 mm
3 mm
Nitrile
70
10
Log in to view price
11 mm
17 mm
3 mm
Nitrile
70
10
Log in to view price
12 mm
18 mm
3 mm
Nitrile
70
10
Log in to view price
16 mm
22 mm
3 mm
Nitrile
70
10
Log in to view price
18 mm
24 mm
3 mm
Nitrile
70
10
Log in to view price
19 mm
25 mm
3 mm
Nitrile
70
10
Log in to view price
20 mm
26 mm
3 mm
Nitrile
70
10
Log in to view price
22 mm
28 mm
3 mm
Nitrile
70
10
Log in to view price
24 mm
30 mm
3 mm
Nitrile
70
10
Log in to view price
25 mm
31 mm
3 mm
Nitrile
70
10
Log in to view price
27 mm
33 mm
3 mm
Nitrile
70
10
Log in to view price
28 mm
34 mm
3 mm
Nitrile
70
10
Log in to view price
Metric Buna-N 70 O-Rings w/ 3.5mm Wall
Metric Buna-N 70 O-Rings w/ 3.5mm Wall
Metric Buna-N 70 o-rings with a 3.5 mm wall thickness made from nitrile rubber. These black o-rings offer 70 durometer hardness, resist a wide range of oils, solvents and fluids and operate from -65 °F to 300 °F which helps maintain seals in general industrial and repair applications.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
28 mm
35 mm
3.5 mm
Nitrile
70
10
Log in to view price
29 mm
36 mm
3.5 mm
Nitrile
70
10
Log in to view price
30 mm
37 mm
3.5 mm
Nitrile
70
10
Log in to view price
31 mm
38 mm
3.5 mm
Nitrile
70
10
Log in to view price
32 mm
39 mm
3.5 mm
Nitrile
70
10
Log in to view price
33 mm
40 mm
3.5 mm
Nitrile
70
10
Log in to view price
34 mm
41 mm
3.5 mm
Nitrile
70
10
Log in to view price
35 mm
42 mm
3.5 mm
Nitrile
70
10
Log in to view price
36 mm
43 mm
3.5 mm
Nitrile
70
10
Log in to view price
37 mm
44 mm
3.5 mm
Nitrile
70
10
Log in to view price
38 mm
45 mm
3.5 mm
Nitrile
70
10
Log in to view price
40 mm
47 mm
3.5 mm
Nitrile
70
10
Log in to view price
Metric Buna-N 70 O-Rings w/ 4mm Wall
Metric Buna-N 70 O-Rings w/ 4mm Wall
Metric Buna-N 70 o-rings with a 4 mm wall thickness made from nitrile rubber. These 70 durometer seals resist a wide range of oils, solvents and fluids and operate from -65 °F to 300 °F, providing reliable sealing for industrial equipment maintenance and repair tasks.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
20 mm
28 mm
4 mm
Nitrile
70
5
Log in to view price
22 mm
30 mm
4 mm
Nitrile
70
5
Log in to view price
24 mm
32 mm
4 mm
Nitrile
70
5
Log in to view price
25 mm
33 mm
4 mm
Nitrile
70
5
Log in to view price
27 mm
35 mm
4 mm
Nitrile
70
5
Log in to view price
30 mm
38 mm
4 mm
Nitrile
70
5
Log in to view price
34 mm
42 mm
4 mm
Nitrile
70
5
Log in to view price
36 mm
44 mm
4 mm
Nitrile
70
5
Log in to view price
37 mm
45 mm
4 mm
Nitrile
70
5
Log in to view price
38 mm
46 mm
4 mm
Nitrile
70
5
Log in to view price
39 mm
47 mm
4 mm
Nitrile
70
5
Log in to view price
40 mm
48 mm
4 mm
Nitrile
70
5
Log in to view price
Metric Buna-N 70 O-Rings w/ 5mm Wall
Metric Buna-N 70 O-Rings w/ 5mm Wall
Buna‑N 70 nitrile o-rings with a 5 mm wall thickness. 70 durometer construction resists oils, solvents and fluids and performs from -65 °F to 300 °F, providing reliable sealing for general industrial and equipment maintenance applications.
Inside Diameter Outside Diameter Wall Thickness Material Durometer Package Qty Item #
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
25 mm
35 mm
5 mm
Nitrile
70
5
Log in to view price
30 mm
40 mm
5 mm
Nitrile
70
5
Log in to view price
32 mm
42 mm
5 mm
Nitrile
70
5
Log in to view price
35 mm
45 mm
5 mm
Nitrile
70
5
Log in to view price

Top
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 20
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 10
Price
Want to view pricing for this product?
Log In or Create Login

Not a Kimball Midwest Customer?
Register
Pkg Qty: 10
130 of 292 Results

Stay Connected

Facebook LinkedIn Twitter Instagram YouTube Blog

Click '' to proceed with checkout or 'View Shopping Cart' to update.
  
For your account's security, we log you out after 4 hours of inactivity. To continue shopping, simply click the button below to log in again.