OSK™ Boss Premium O-Ring Kits SAE 900 Series

OSK™ Boss Premium O-Ring Service Kits from The O-Ring Store LLC provide reliable sealing solutions specifically designed for SAE 900 series straight-thread tube fittings. Each kit includes O-Ring sizes in multiple high-performance materials, including Buna-N, Viton®, EPDM, Urethane, and more, tailored to meet diverse sealing requirements. Engineered to withstand oils, hydraulic fluids, temperature extremes, and environmental challenges, OSK™ kits streamline maintenance, reduce downtime, and deliver superior sealing compared to traditional tapered threads.

Displaying 1 to 9 (of 9 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 sealing straight thread tube fittings (Boss Type) in the design and service of hydraulic equipment. The 900 series of dash numbers identifies the 20 sizes...
 In Stock: 1
$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 Viton® Fluorocarbon FKM 90 Duro K155X8V90-900
OSK™ SAE Boss O-Ring Kit 155 Piece Viton® 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 sealing straight thread tube fittings (Boss Type) in the design and service of hydraulic equipment. The 900 series of dash numbers identifies the 20 sizes...
 In Stock: 13
$29.950
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Quantity Discounts
1-3$29.950
4-11$25.000
12+$22.500
(image for) OSK™ SAE Boss O-Ring Seal Kit - SAE 900 - 205 Piece Industrial Cast Urethane O-Rings K205X6UC90-900
OSK™ SAE Boss O-Ring Seal Kit - SAE 900 - 205 Piece Industrial Cast Urethane O-Rings
OSK™ SAE Boss O-Ring Seal Kit with High-Performance Cast Polyurethane O-Rings Our OSK™ SAE Boss O-Rings Seal Kit is meticulously designed for heavy-duty applications, including hydraulic systems, quick disconnects, and high-pressure environments. This kit includes durable DISOGRIN 9251 cast...
 In Stock: 0
$197.210
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Quantity Discounts
1-4$197.210
5-24$148.970
25-99$134.600
100+$115.260
(image for) OSK™ Industrial Boss Seal Kit - 212 Piece Hydraulic SAE - Buna-N 90 900 Boss Kit K212X20N90-OSK
OSK™ Industrial Boss Seal Kit - 212 Piece Hydraulic SAE - Buna-N 90 900 Boss Kit
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 with our Industrial Boss Seal Kit #K212X20N90-OSK. This comprehensive kit includes 212 high-quality Buna-N 90 durometer O-Rings in 20 different sizes,...
 In Stock: 44
$29.950
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Quantity Discounts
1-24$29.950
25-99$19.950
100-249$18.950
250+$17.520
(image for) OSK™ Industrial Boss Seal Kit - Viton®/FKM 90 Durometer | 212-Piece SAE Hydraulic O-Ring Set K212X20V90-OSK
OSK™ Industrial Boss Seal Kit - Viton®/FKM 90 Durometer | 212-Piece SAE Hydraulic O-Ring Set
Maximize the efficiency and reliability of your sealing solutions with our Industrial Boss Seal Kit (#K212X20V90-OSK). Engineered specifically for SAE straight thread boss fittings, this kit delivers precision sealing performance ideal for demanding hydraulic and pneumatic applications. Key...
 In Stock: 11
$112.000
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Quantity Discounts
1-4$112.000
5-24$91.500
25-99$77.780
100+$70.000
(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 – 250 Pieces High-Performance Sealing for Hydraulic Equipment The OSK™ SAE Boss O-Ring Seal Kit is an essential solution for sealing straight thread tube fittings (Boss Type) in hydraulic systems. This kit includes 250 pieces of the 12 most popular 900-series...
 In Stock: 7
$28.890
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Quantity Discounts
1-3$28.890
4-11$26.010
12+$21.670
(image for) OSK™ SAE Boss O-Ring Seal Kit – 250 Pieces (Buna-N 90 Durometer) K250X12N90-900
OSK™ SAE Boss O-Ring Seal Kit – 250 Pieces (Buna-N 90 Durometer)
High-Performance Sealing for High-Pressure Hydraulic Applications The OSK™ SAE Boss O-Ring Seal Kit is a must-have for sealing straight thread tube fittings (Boss Type) in high-pressure hydraulic systems. This kit includes 250 pieces of the 12 most commonly used 900-series Boss O-Rings ,...
 In Stock: 16
$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 9 identify the nominal tube size in 16ths of an inch. The tube size is its outside diameter (OD). For example, size -903 is intended for use with...
 In Stock: 4
$74.450
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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 9 identify the nominal tube size in 16ths of an inch. The tube size is its outside diameter (OD). For example, size -903 is intended for use with...
 In Stock: 4
$82.230
Add:
Quantity Discounts
1-3$82.230
4-11$74.010
12+$61.680
Displaying 1 to 9 (of 9 Products)
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1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719