-900 Series - Boss

Oil-Resistant Hard Buna-N O-Rings for Tube Fittings with SAE Straight-Thread Connection

SAE J1926-1

Also known as Boss O-rings, these are for use in tube fittings with a straight-thread connection. They are made of hard Buna-N, which is resilient and offers excellent resistance to wear, grease, petroleum fluids, and motor oil. These O-rings have a round profile and are suitable for a wide range of static and dynamic sealing applications. They're sized to the SAE standard AS568.

Recommended by the NFPA for optimal leakage control in medium and high pressure hydraulic systems. The male fitting has a straight thread and O-ring. The female port has a straight thread, a machined surface (minimum spotface) and a chamfer to accept the O-ring. The seal take place by compressing the O-ring in the chamfer. The threads hold the connection mechanically. This fitting is also known as O-Ring Boss (ORB) and uses these Boss O-Rings.

Displaying 1 to 20 (of 20 Products)
  Model Item Name Qty. Price Quantity Discounts
AS568-901 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90901
AS568-901 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 3/32" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 9214 $0.083
Add:
Min Qty:  20
Quantity Discounts
20-2,799$0.083
2,800-12,999$0.045
13,000+$0.023
AS568-902 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -2) B90902
AS568-902 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -2)
Tube Size OD: 1/8", , SAE Dash Size -2, Thread Size 5/16-24 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 12266 $0.075
Add:
Min Qty:  20
Quantity Discounts
20-3,099$0.075
3,100-14,999$0.040
15,000+$0.020
AS568-903 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -3) B90903
AS568-903 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -3)
Tube Size OD: 3/16", SAE Dash Size -3, Thread Size 3/8-24 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 69155 $0.079
Add:
Min Qty:  20
Quantity Discounts
20-2,899$0.079
2,900-13,599$0.043
13,600+$0.022
AS568-904 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -4) B90904
AS568-904 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -4)
Tube Size OD: 1/4", SAE Dash Size -4, Thread Size 7/16-20 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 190204 $0.090
Add:
Min Qty:  20
Quantity Discounts
20-2,599$0.090
2,600-11,999$0.049
12,000+$0.025
AS568-905 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -5) B90905
AS568-905 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -5)
Tube Size OD: 5/16", SAE Dash Size -5, Thread Size 1/2-20 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 62998 $0.098
Add:
Min Qty:  20
Quantity Discounts
20-2,399$0.098
2,400-11,099$0.053
11,100+$0.027
AS568-906 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -6) B90906
AS568-906 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -6)
Tube Size OD: 3/8", SAE Dash Size -6, Thread Size 9/16-18 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 19943 $0.119
Add:
Min Qty:  20
Quantity Discounts
20-1,999$0.119
2,000-9,099$0.064
9,100+$0.033
AS568-907 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90907
AS568-907 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 7/16" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 1909 $0.144
Add:
Min Qty:  13
Quantity Discounts
13-1,599$0.144
1,600-7,699$0.077
7,700+$0.039
AS568-908 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -8) B90908
AS568-908 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -8)
Tube Size OD: 1/2", SAE Dash Size -8, Thread Size 3/4"-16 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 11349 $0.190
Add:
Min Qty:  13
Quantity Discounts
13-1,199$0.190
1,200-5,799$0.103
5,800+$0.052
AS568-909 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90909
AS568-909 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 9/16" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 24576 $0.225
Add:
Min Qty:  10
Quantity Discounts
10-999$0.225
1,000-4,999$0.120
5,000+$0.060
AS568-910 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -10) B90910
AS568-910 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -10)
Tube Size OD: 5/8", SAE Dash Size -10, Thread Size 7/8-14 UNF Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 19599 $0.240
Add:
Min Qty:  10
Quantity Discounts
10-999$0.240
1,000-4,599$0.129
4,600+$0.065
AS568-911 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90911
AS568-911 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 11/16" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 14005 $0.373
Add:
Min Qty:  7
Quantity Discounts
7-599$0.373
600-2,999$0.199
3,000+$0.100
AS568-912 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -12) B90912
AS568-912 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -12)
Tube Size OD: 3/4", SAE Dash Size -12, Thread Size 1-1/16-12 UN Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 19071 $0.375
Add:
Min Qty:  7
Quantity Discounts
7-599$0.375
600-2,999$0.200
3,000+$0.100
AS568-913 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90913
AS568-913 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 13/16" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 13232 $0.398
Add:
Min Qty:  6
Quantity Discounts
6-599$0.398
600-2,799$0.213
2,800+$0.107
AS568-914 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -14) B90914
AS568-914 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -14)
Tube Size OD: 7/8", SAE Dash Size -14, Thread Size 1-3/16-12 UN Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 9838 $0.419
Add:
Min Qty:  5
Quantity Discounts
5-599$0.419
600-2,699$0.224
2,700+$0.113
AS568-916 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -16) B90916
AS568-916 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -16)
Tube Size OD: 1", SAE Dash Size -16, Thread Size 1-5/16-12 UN Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 12673 $0.465
Add:
Min Qty:  5
Quantity Discounts
5-499$0.465
500-2,399$0.249
2,400+$0.125
AS568-918 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90918
AS568-918 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 1 1/8" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 12275 $0.533
Add:
Min Qty:  5
Quantity Discounts
5-399$0.533
400-2,099$0.285
2,100+$0.143
AS568-920 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -20) B90920
AS568-920 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -20)
Tube Size OD: 1-1/4", SAE Dash Size -20, Thread Size 1-5/8-12 UN Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 9683 $0.612
Add:
Min Qty:  4
Quantity Discounts
4-399$0.612
400-1,799$0.327
1,800+$0.164
AS568-924 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -24) B90924
AS568-924 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -24)
Tube Size OD: 1-1/2", SAE Dash Size -24, Thread Size 1-7/8-12 UN Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 4719 $0.694
Add:
Min Qty:  4
Quantity Discounts
4-299$0.694
300-1,599$0.370
1,600+$0.186
AS568-928 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring B90928
AS568-928 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Tube Size OD: 1 3/4" Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a...
 8445 $0.812
Add:
Min Qty:  3
Quantity Discounts
3-299$0.812
300-1,399$0.434
1,400+$0.217
AS568-932 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -32) B90932
AS568-932 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -32)
Tube Size OD: 2", SAE Dash Size -32, Thread Size 2-1/2-12 UN Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications....
 4731 $0.933
Add:
Min Qty:  3
Quantity Discounts
3-299$0.933
300-1,199$0.498
1,200+$0.249
Displaying 1 to 20 (of 20 Products)
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1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719