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-200 Series - 0.139 - 1/8" CS

50 Durometer, Commercial Grade Soft Buna-N

Designed for applications requiring soft O-ring sealing material. Primarily used as a low pressure static seal or gasket. B50 O-rings not in stock may take up to 7 weeks to ship. 6" ID & larger Vulcanized O-Rings available to reduce delivery times and minimum orders. Link to order B50 Vulcanized O-Rings.

Size not listed, special requirements or large quantities please click this link to Request a Price Quote.

 




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

-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
$0.13

Add:
Min:  1924
Quantity Discounts
1924-9,999$0.13
10,000-35,714$0.10
35,715+$0.07
-202 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50202

-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...
15561
$0.13

Add:
Min:  4
Quantity Discounts
4-256$0.13
257-1,439$0.10
1,440+$0.07
-203 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50203

-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
$1.50

Add:
Min:  1786
Quantity Discounts
1786-9,099$1.50
9,100-31,299$1.13
31,300+$0.75
-216 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50216

-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...
65
$0.37

Add:
Min:  2
Quantity Discounts
2-89$0.37
90-526$0.28
527+$0.19
-217 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50217

-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...
145
$0.40

Add:
Min:  2
Quantity Discounts
2-83$0.40
84-499$0.30
500+$0.20
-218 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50218

-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...
473
$0.42

Add:
Min:  2
Quantity Discounts
2-78$0.42
79-476$0.32
477+$0.21
-219 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50219

-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...
6598
$0.46

Add:
Min:  2
Quantity Discounts
2-71$0.46
72-434$0.35
435+$0.23
-220 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50220

-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...
4
$0.46

Add:
Min:  2
Quantity Discounts
2-89$0.46
90-526$0.35
527+$0.23
-221 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50221

-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...
6520
$0.46

Add:
Min:  2
Quantity Discounts
2-86$0.46
87-526$0.35
527+$0.23
-222 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50222

-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...
24
$0.49

Add:
Min:  2
Quantity Discounts
2-67$0.49
68-399$0.37
400+$0.25
-223 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50223

-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...
20
$0.55

Add:

Quantity Discounts
1-56$0.55
57-333$0.41
334+$0.28
-224 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50224

-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...
4647
$0.62

Add:

Quantity Discounts
1-46$0.62
47-277$0.47
278+$0.31
-239 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50239

-239 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-5/8"ID X 3-7/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
8
$1.41

Add:

Quantity Discounts
1-24$1.41
25-144$1.06
145+$0.71
-240 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50240

-240 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-3/4"ID X 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...
55
$1.74

Add:

Quantity Discounts
1-23$1.74
24-138$1.31
139+$0.87
-241 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50241

-241 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

3-7/8"ID X 4-1/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
3
$1.76

Add:

Quantity Discounts
1-22$1.76
23-135$1.32
136+$0.88
-242 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50242

-242 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4"ID X 4-1/4"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
7
$1.77

Add:

Quantity Discounts
1-22$1.77
23-133$1.33
134+$0.89
-243 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50243

-243 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/8"ID X 4-3/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
74
$1.79

Add:

Quantity Discounts
1-21$1.79
22-131$1.34
132+$0.90
-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50244

-244 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-1/4"ID X 4-1/2"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.84

Add:
Min:  136
Quantity Discounts
136-362$1.84
363-2,717$1.38
2,718+$0.92
-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50245

-245 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring

4-3/8"ID X 4-5/8"OD X 1/8"CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
0
$1.87

Add:
Min:  134
Quantity Discounts
134-354$1.87
355-2,659$1.40
2,660+$0.94
-246 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring B50246

-246 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...
70
$1.90

Add:

Quantity Discounts
1-18$1.90
19-109$1.43
110+$0.95