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O-Rings

Codes

-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
$0.12

Add:
Min Qty:  9
Quantity Discounts
9-138$0.12
139-4,166$0.072
4,167+$0.036
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...
13,957
$0.12

Add:
Min Qty:  9
Quantity Discounts
9-138$0.12
139-4,166$0.072
4,167+$0.036
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
$0.12

Add:
Min Qty:  9
Quantity Discounts
9-138$0.12
139-4,166$0.072
4,167+$0.036
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
$0.12

Add:
Min Qty:  9
Quantity Discounts
9-138$0.12
139-4,166$0.072
4,167+$0.036
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
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-111$0.15
112-3,333$0.09
3,334+$0.045
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
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-111$0.15
112-3,333$0.09
3,334+$0.045
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...
436
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-111$0.15
112-3,333$0.09
3,334+$0.045
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...
753
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-111$0.15
112-3,333$0.09
3,334+$0.045
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...
14,977
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-111$0.15
112-3,333$0.09
3,334+$0.045
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...
11,415
$0.18

Add:
Min Qty:  6
Quantity Discounts
6-92$0.18
93-2,777$0.108
2,778+$0.054
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...
11,417
$0.18

Add:
Min Qty:  6
Quantity Discounts
6-92$0.18
93-2,777$0.108
2,778+$0.054
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...
985
$0.21

Add:
Min Qty:  5
Quantity Discounts
5-79$0.21
80-2,380$0.126
2,381+$0.063
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...
20,043
$0.21

Add:
Min Qty:  5
Quantity Discounts
5-79$0.21
80-2,380$0.126
2,381+$0.063
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...
6,021
$0.24

Add:
Min Qty:  5
Quantity Discounts
5-69$0.24
70-2,083$0.144
2,084+$0.072
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...
7,332
$0.24

Add:
Min Qty:  5
Quantity Discounts
5-69$0.24
70-2,083$0.144
2,084+$0.072
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...
3,266
$0.27

Add:
Min Qty:  4
Quantity Discounts
4-61$0.27
62-1,851$0.162
1,852+$0.081
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...
5,475
$0.27

Add:
Min Qty:  4
Quantity Discounts
4-61$0.27
62-1,851$0.162
1,852+$0.081
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...
83
$0.30

Add:
Min Qty:  4
Quantity Discounts
4-55$0.30
56-1,666$0.18
1,667+$0.09
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...
5,578
$0.33

Add:
Min Qty:  4
Quantity Discounts
4-50$0.33
51-1,515$0.198
1,516+$0.099
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...
11,237
$0.33

Add:
Min Qty:  4
Quantity Discounts
4-50$0.33
51-1,515$0.198
1,516+$0.099
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...
5,746
$0.33

Add:
Min Qty:  4
Quantity Discounts
4-50$0.33
51-1,515$0.198
1,516+$0.099
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...
2,315
$0.33

Add:
Min Qty:  4
Quantity Discounts
4-50$0.33
51-1,515$0.198
1,516+$0.099
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...
6,088
$0.36

Add:
Min Qty:  3
Quantity Discounts
3-46$0.36
47-1,388$0.216
1,389+$0.108
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...
4,138
$0.42

Add:
Min Qty:  3
Quantity Discounts
3-39$0.42
40-1,190$0.252
1,191+$0.126
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...
2,803
$0.45

Add:
Min Qty:  3
Quantity Discounts
3-37$0.45
38-1,111$0.27
1,112+$0.135




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