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-200 Series - 0.139 - 1/8" CS

50 Durometer, Commercial Grade Soft Buna-N O-Rings

Designed for applications requiring soft O-Ring sealing material. Primarily used as a low pressure static seal or gasket. Buna-N compound materials are "standard” for most O-Ring service. While they are not as strong as other Buna-N O-Rings, Soft Buna-N O-Rings require less force to make an effective seal and conform better to uneven surfaces. They are suitable for a broad range of fluids including oils, water, and mild chemicals.




Image Model+ Item Name Qty. Price Quantity Discounts
AS568-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50201

AS568-201 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

9-3/4"ID X 9-15/16"OD X 3/32"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
0
$0.19

Add:
Min Qty:  2,334
Quantity Discounts
2334-6,451$0.19
6,452-13,513$0.093
13,514+$0.074
AS568-202 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50202

AS568-202 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1/4"ID X 1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
13,335
$0.20

Add:
Min Qty:  4
Quantity Discounts
4-255$0.20
256-1,282$0.098
1,283+$0.078
AS568-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50203

AS568-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5/16"ID X 9/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.18

Add:
Min Qty:  834
Quantity Discounts
834-6,666$0.18
6,667-13,888$0.09
13,889+$0.072
AS568-204 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50204

AS568-204 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3/8"ID X 5/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.22

Add:
Min Qty:  637
Quantity Discounts
637-5,454$0.22
5,455-11,363$0.11
11,364+$0.088
AS568-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50205

AS568-205 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

7/16"ID X 11/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$0.24

Add:
Min Qty:  508
Quantity Discounts
508-4,999$0.24
5,000-10,752$0.12
10,753+$0.093
AS568-206 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50206

AS568-206 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1/2"ID X 3/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.24

Add:
Min Qty:  427
Quantity Discounts
427-4,999$0.24
5,000-10,638$0.12
10,639+$0.094
AS568-207 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50207

AS568-207 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

9/16"ID X 13/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
406
$0.24

Add:
Min Qty:  2
Quantity Discounts
2-208$0.24
209-1,041$0.12
1,042+$0.096
AS568-208 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50208

AS568-208 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

5/8"ID X 7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
660
$0.26

Add:

Quantity Discounts
1-192$0.26
193-999$0.13
1,000+$0.10
AS568-209 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50209

AS568-209 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

11/16"ID X 15/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
14,513
$0.28

Add:

Quantity Discounts
1-178$0.28
179-917$0.14
918+$0.109
AS568-210 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50210

AS568-210 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3/4"ID X 1"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
11,216
$0.34

Add:

Quantity Discounts
1-147$0.34
148-769$0.17
770+$0.13
AS568-211 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50211

AS568-211 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

13/16"ID X 1-1/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
11,217
$0.34

Add:

Quantity Discounts
1-147$0.34
148-769$0.17
770+$0.13
AS568-212 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50212

AS568-212 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
875
$0.38

Add:

Quantity Discounts
1-131$0.38
132-666$0.19
667+$0.15
AS568-213 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50213

AS568-213 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

15/16"ID X 1-3/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
19,963
$0.40

Add:

Quantity Discounts
1-124$0.40
125-624$0.20
625+$0.16
AS568-214 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50214

AS568-214 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1"ID X 1-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
3,595
$0.44

Add:

Quantity Discounts
1-113$0.44
114-588$0.22
589+$0.17
AS568-215 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50215

AS568-215 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/16"ID X 1-5/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
7,162
$0.46

Add:

Quantity Discounts
1-108$0.46
109-555$0.23
556+$0.18
AS568-216 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50216

AS568-216 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/8"ID X 1-3/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
3,106
$0.48

Add:

Quantity Discounts
1-104$0.48
105-526$0.24
527+$0.19
AS568-217 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50217

AS568-217 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-3/16"ID X 1-7/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
5,334
$0.50

Add:

Quantity Discounts
1-99$0.50
100-499$0.25
500+$0.20
AS568-218 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50218

AS568-218 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/4"ID X 1-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2,163
$0.54

Add:

Quantity Discounts
1-92$0.54
93-476$0.27
477+$0.21
AS568-219 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50219

AS568-219 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-5/16"ID X 1-9/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
5,300
$0.58

Add:

Quantity Discounts
1-86$0.58
87-434$0.29
435+$0.23
AS568-220 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50220

AS568-220 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of...
11,070
$0.58

Add:

Quantity Discounts
1-86$0.58
87-434$0.29
435+$0.23
AS568-221 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50221

AS568-221 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-7/16"ID X 1-11/16"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
5,685
$0.58

Add:

Quantity Discounts
1-86$0.58
87-434$0.29
435+$0.23
AS568-222 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50222

AS568-222 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-1/2"ID X 1-3/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2,155
$0.60

Add:

Quantity Discounts
1-83$0.60
84-416$0.30
417+$0.24
AS568-223 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50223

AS568-223 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-5/8"ID X 1-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
4,456
$0.70

Add:

Quantity Discounts
1-71$0.70
72-357$0.35
358+$0.28
AS568-224 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50224

AS568-224 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-3/4"ID X 2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
4,045
$0.78

Add:

Quantity Discounts
1-64$0.78
65-322$0.39
323+$0.31
AS568-225 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50225

AS568-225 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

1-7/8"ID X 2-1/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2,274
$0.84

Add:

Quantity Discounts
1-59$0.84
60-303$0.42
304+$0.33