APG stocks the VB75252, an AS568-252 brown Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 5.234 in (132.94 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.512 in (140 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is specified here for industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. Expect good resistance to aggressive chemicals, many acids, and petroleum oils and fuels. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).
Typical settings include aerospace, oil and gas, and high-temperature process equipment.
VB75252 ships individually. Unit weight is approximately 8.7084 g and nominal inside diameter is listed as 5 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description -252 BROWN FKM 75D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 5.234 inch (132.94 mm)
Actual Outside Diameter 5.512 inch (140 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity