-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)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 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...
In Stock: 5216
$0.020
Add:
Min Qty:  100
Quantity Discounts
100-3,299$0.020
3,300-49,999$0.015
50,000+$0.010
(image for) 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....
In Stock: 50479
$0.020
Add:
Min Qty:  100
Quantity Discounts
100-3,799$0.020
3,800-55,599$0.013
55,600+$0.009
(image for) 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....
In Stock: 63393
$0.020
Add:
Min Qty:  100
Quantity Discounts
100-3,799$0.020
3,800-55,599$0.013
55,600+$0.009
(image for) 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....
In Stock: 156278
$0.020
Add:
Min Qty:  100
Quantity Discounts
100-3,299$0.020
3,300-49,999$0.015
50,000+$0.010
(image for) 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....
In Stock: 34305
$0.030
Add:
Min Qty:  100
Quantity Discounts
100-3,099$0.030
3,100-45,499$0.016
45,500+$0.011
(image for) 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....
In Stock: 27059
$0.030
Add:
Min Qty:  100
Quantity Discounts
100-2,499$0.030
2,500-35,699$0.020
35,700+$0.014
(image for) 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...
In Stock: 35223
$0.040
Add:
Min Qty:  100
Quantity Discounts
100-2,199$0.040
2,200-31,299$0.023
31,300+$0.016
(image for) 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....
In Stock: 33399
$0.050
Add:
Min Qty:  100
Quantity Discounts
100-1,599$0.050
1,600-22,699$0.032
22,700+$0.022
(image for) 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...
In Stock: 17418
$0.060
Add:
Min Qty:  50
Quantity Discounts
50-1,299$0.060
1,300-19,199$0.038
19,200+$0.026
(image for) 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....
In Stock: 7688
$0.060
Add:
Min Qty:  50
Quantity Discounts
50-1,299$0.060
1,300-17,899$0.040
17,900+$0.028
(image for) 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...
In Stock: 10749
$0.090
Add:
Min Qty:  50
Quantity Discounts
50-799$0.090
800-11,599$0.062
11,600+$0.043
(image for) 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....
In Stock: 9108
$0.090
Add:
Min Qty:  25
Quantity Discounts
25-799$0.090
800-11,399$0.063
11,400+$0.044
(image for) 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...
In Stock: 10257
$0.100
Add:
Min Qty:  25
Quantity Discounts
25-799$0.100
800-10,899$0.066
10,900+$0.046
(image for) 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....
In Stock: 5496
$0.100
Add:
Min Qty:  25
Quantity Discounts
25-699$0.100
700-10,199$0.070
10,200+$0.049
(image for) 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....
In Stock: 1204
$0.110
Add:
Min Qty:  25
Quantity Discounts
25-599$0.110
600-9,299$0.078
9,300+$0.054
(image for) 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...
In Stock: 11349
$0.130
Add:
Min Qty:  25
Quantity Discounts
25-599$0.130
600-8,099$0.089
8,100+$0.062
(image for) 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....
In Stock: 19311
$0.150
Add:
Min Qty:  25
Quantity Discounts
25-499$0.150
500-6,999$0.102
7,000+$0.071
(image for) 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....
In Stock: 2199
$0.160
Add:
Min Qty:  25
Quantity Discounts
25-399$0.160
400-6,299$0.115
6,300+$0.080
(image for) 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...
In Stock: 7712
$0.190
Add:
Min Qty:  25
Quantity Discounts
25-399$0.190
400-5,299$0.135
5,300+$0.094
(image for) 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....
In Stock: 193
$0.220
Add:
Min Qty:  10
Quantity Discounts
10-299$0.220
300-4,599$0.155
4,600+$0.108
Displaying 1 to 20 (of 20 Products)
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Phone 208-413-6377 - Fax 208-413-6719