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(image for) AS568-449 90A Duro Buna-N Rubber Dished Back-up Rings BU449-B90

AS568-449 90A Duro Buna-N Rubber Dished Back-up Rings

AS568-449 (0.236" W X 10.024"ID X 0.117"HT) A backup ring, or anti extrision device, is used in both static and dynamic O-Ring sealing applications. These Buna- N 90 durometer backup rings feature one dished face, allowing an ideal contoured and uniform contact with the O-Ring, and a flat surface for facing the extrusion gap. The Buna-N backup ring material, unlike teflon, still allows slight material elasticity during...
 In Stock: 39
$4.590
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Min Qty:  11
(image for) AS568-449 Solid Chemical Resistant PTFE Backup Rings BU449-TEF-SOL

AS568-449 Solid Chemical Resistant PTFE Backup Rings

Solid PTFE Back-Up Rings – High-Performance Sealing Solutions Enhance your sealing system with The O-Ring Store LLC’s Solid PTFE Back-Up Rings. Manufactured from premium PTFE (Teflon), these back-up rings are engineered to provide exceptional support and performance in high-pressure and high-temperature applications. Available in both split and single-turn designs, PTFE back-up rings are a reliable choice for reducing extrusion and improving...
 In Stock: 0
$29.720
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Min Qty:  9
(image for) AS568-449 UC90 Cast Urethane O-Rings 90 Duro Disogrin 9251 TODI UC90449

AS568-449 UC90 Cast Urethane O-Rings 90 Duro Disogrin 9251 TODI

Nominal Size: 1/4" CS x 10" ID x 10-1/2" OD Part number UC90449 is an AS568-449 UC90 cast polyester polyurethane O-Ring at 90 Shore A durometer, natural in color, TODI cured and molded from Freudenberg Disogrin 9251 with an actual size of 0.275" cross-section x 9.975" ID x 10.525" OD (6.99mm x 253.36mm x 267.33mm). It belongs to the AS568 -400 series, 0.275" (1/4") nominal cross-section family. It seals to 10,000 psi with standard gland...
 In Stock: 0
$54.620
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Min Qty:  8
Displaying 1 to 3 (of 3 Products)