Boss O-Ring Kit

There is 20 standard sizes for O-rings used to seal straight-thread tube fittings on a boss. A boss Tube fitting with boss seal is cylindrical projection on a casting or forging. The end of that projection is machined to provide a flat, smooth surface for sealing. Straight threads used with an O-ring provide a better seal than tapered threads used alone. Although made in a variety of o-ring compounds the most common Boss O-rings are Buna-N in 90 Durometer.

Displaying 1 to 8 (of 8 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) OSK™ SAE Boss O-Ring Seal Kit - SAE 900 - 155 Piece Buna-N 90 K155X8N90-900
OSK™ SAE Boss O-Ring Seal Kit - SAE 900 - 155 Piece Buna-N 90
OSK™ SAE Boss O-Ring Seal Kit This Kit contains 155 pieces and 8 of the most popular 900 series O-Rings. These Boss Seal O-Rings are used in...
In Stock: 27
$17.500
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Quantity Discounts
1-3$17.500
4-11$15.500
12+$14.000
(image for) OSK™ SAE Boss O-Ring Kit 155 Piece Fluorocarbon FKM 90 Duro K155X8V90-900
OSK™ SAE Boss O-Ring Kit 155 Piece Fluorocarbon FKM 90 Duro
OSK™ SAE Boss O-Rings Seal Kit This Kit contains 155 pieces and 8 of the most popular 900 series O-Rings. These Boss Seal O-Rings are used in...
In Stock: 31
$30.000
Add:
Quantity Discounts
1-3$30.000
4-11$25.000
12+$22.500
(image for) OSK™ Industrial Boss Seal Kit - 212 Piece Hydraulic SAE - Buna-N 90 K212X20N90-OSK
OSK™ Industrial Boss Seal Kit - 212 Piece Hydraulic SAE - Buna-N 90
O-Ring BOSS Hydraulic SAE 212 Pieces Oring Seal Kit Buna-N 90A for Boss SAE Boss straight thread tube fittings  Maximize your sealing solutions...
In Stock: 21
$29.990
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Quantity Discounts
1-4$29.990
5-24$25.000
25+$20.000
(image for) OSK™ Industrial Boss Seal Kit - 212 Piece Hydraulic SAE - Fluorocarbon Viton®/FKM 90 Duro K212X20V90-OSK
OSK™ Industrial Boss Seal Kit - 212 Piece Hydraulic SAE - Fluorocarbon Viton®/FKM 90 Duro
O-Ring BOSS Hydraulic SAE 212 Pieces Oring Seal Kit Viton®/FKM 90 Duro for Boss SAE Boss straight thread tube fittings  Maximize your...
In Stock: 3
$112.000
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Quantity Discounts
1-4$112.000
5-24$99.500
25+$89.550
(image for) OSK™ SAE Boss O-Ring Seal Kit - 250 Piece Buna-N 70 K250X12N70-900
OSK™ SAE Boss O-Ring Seal Kit - 250 Piece Buna-N 70
OSK™ SAE Boss O-Ring Seal Kit The 900 series of dash numbers identifies the 20 sizes of boss seals. Except for size -901, the digits after the...
In Stock: 3
$28.890
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Quantity Discounts
1-3$28.890
4-11$26.010
12+$21.670
(image for) OSK™ SAE 900 Boss O-Ring Seal Kit - 250 Piece Buna-N 90 K250X12N90-900
OSK™ SAE 900 Boss O-Ring Seal Kit - 250 Piece Buna-N 90
OSK™ Boss O-Rings Seal Kit in Buna-N 90 This Kit contains 250 pieces and 12 of the most popular 900 series O-Rings. These Boss Seal O-Rings are...
In Stock: 31
$28.000
Add:
Quantity Discounts
1-4$28.000
5-24$23.010
25+$20.000
(image for) OSK™ SAE Boss O-Ring Seal Kit - 250 Piece Fluorocarbon FKM 75 K250X12V75-900
OSK™ SAE Boss O-Ring Seal Kit - 250 Piece Fluorocarbon FKM 75
OSK™ SAE Boss O-Ring Seal Kit The 900 series of dash numbers identifies the 20 sizes of boss seals. Except for size -901, the digits after the...
In Stock: 0
$74.450
Add:
Quantity Discounts
1-3$74.450
4-11$67.010
12+$55.840
(image for) OSK™ SAE Boss O-Ring Seal Kit - 250 Piece Fluorocarbon FKM 90 Duro K250X12V90-900
OSK™ SAE Boss O-Ring Seal Kit - 250 Piece Fluorocarbon FKM 90 Duro
OSK™ SAE Boss O-Ring Seal Kit The 900 series of dash numbers identifies the 20 sizes of boss seals. Except for size -901, the digits after the...
In Stock: 2
$82.230
Add:
Quantity Discounts
1-3$82.230
4-11$74.010
12+$61.680
Displaying 1 to 8 (of 8 Products)
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