OSK™ Back-Up Ring Kit

Back-up rings kits are made with Buna 90, FKM or Teflon. Back-up rings are used to prevent the O-ring from entering the clearance gap. When high pressures are exerted on the O-ring, its soft rubber material can be forced into the clearance gap causing the O-ring to extrude. The hard Back-up ring material will keep the O-ring material from flowing into the gap which will prevent premature failure.

Displaying 1 to 5 (of 5 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) OSK™ Back-up Rings Nitrile Duro 90 Kit 36-Sizes 293-Pieces K293X36B

OSK™ Back-up Rings Nitrile Duro 90 Kit 36-Sizes 293-Pieces

OSK™ Back-Up Rings Nitrile Duro 90 Kit - 36 Sizes, 293 Pieces (Part #K293X36B) The OSK™ Contoured Back-Up Ring Kit is designed to enhance the performance and longevity of O-Rings in high-pressure applications, providing vital anti-extrusion support. These contoured back-up rings are made from a premium 90 durometer nitrile (Buna-N) compound, renowned for its high modulus and resistance to oil. Recommended for systems operating above 1500...
 In Stock: 2
$57.780
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Quantity Discounts
1-3$57.780
4-11$52.010
12+$43.340
(image for) OSK™ Back-up Ring Kit TPE (Hytrel®) 36-Sizes 293-Pieces K293X36TPE

OSK™ Back-up Ring Kit TPE (Hytrel®) 36-Sizes 293-Pieces

OSK™ Back-up Ring Kit TPE Hytrel® 36 Sizes 293 Pieces, Model K293X36TPE, is an AS568 back-up ring assortment for high-pressure sealing applications where O-Rings need added extrusion support. This kit is built for maintenance shops, hydraulic repair, service trucks, and MRO teams that need common back-up ring sizes ready for fast repairs. The kit includes 293 TPE Hytrel® back-up rings in 36 AS568 sizes from -006 through -219. Rings may be...
 In Stock: 2
$89.950
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Quantity Discounts
1-4$89.950
5-24$80.950
25-99$72.850
100+$65.560
(image for) OSK™ Back-up Ring Kit Viton® Fluorocarbon FKM 90 Duro 36-Sizes 293-Pieces K293X36V90

OSK™ Back-up Ring Kit Viton® Fluorocarbon FKM 90 Duro 36-Sizes 293-Pieces

OSK™ Back-Up Ring Kit Viton Duro 90 - 36 Sizes, 293 Pieces (Part #K293X36V90) The OSK™ Contoured Back-Up Ring Kit is designed to enhance the performance and longevity of O-Rings in high-pressure applications, providing vital anti-extrusion support. These contoured back-up rings are made from a premium 90 durometer Viton® Fluorocarbon FKM compound, renowned for its high modulus and resistance to oil. Recommended for systems operating above...
 In Stock: 6
$115.560
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Quantity Discounts
1-3$115.560
4-11$98.220
12+$83.490
(image for) OSK™ PTFE Industrial Split Back-up Ring Kit 36 Sizes 325 Pieces K325X36TBU

OSK™ PTFE Industrial Split Back-up Ring Kit 36 Sizes 325 Pieces

Get consistent sealing performance, reduce O-Ring extrusion, and extend equipment life with a complete, ready-to-use PTFE back-up ring kit. This OSK™ Industrial Split PTFE Back-up Ring Kit is built for maintenance teams, OEMs, and hydraulic specialists who need fast access to the right sizes without delays. With 325 total pieces across 36 of the most commonly used AS568 sizes, you eliminate guesswork, reduce downtime, and keep systems running...
 In Stock: 6
$155.000
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Quantity Discounts
1-9$155.000
10-24$139.950
25-99$111.980
100+$99.780
(image for) OSK™ Industrial Solid PTFE Back-up Ring Kit 36-Sizes 325-Pieces K325X36TBU-S

OSK™ Industrial Solid PTFE Back-up Ring Kit 36-Sizes 325-Pieces

Built for Reliable Sealing Under Pressure If you are dealing with O-Ring extrusion, seal failure, or inconsistent performance in high-pressure systems, this kit solves that problem fast. The OSK™ Industrial Solid PTFE Back-up Ring Kit is designed to protect your O-Rings, extend service life, and keep your equipment running without leaks or downtime. This kit includes 325 solid PTFE back-up rings across 36 of the most common AS568 sizes ,...
 In Stock: 7
$155.000
Add:
Quantity Discounts
1-9$155.000
10-24$139.950
25-99$111.980
100+$99.780
Displaying 1 to 5 (of 5 Products)