APG stocks the V70045, an AS568-045 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 3.989 in (101.32 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.129 in (104.88 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Viton® (FKM) is specified here for outstanding high-temperature capability and industry benchmark where nitrile reaches its thermal limit. Expect good resistance to petroleum oils and fuels, many acids, and aggressive chemicals. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).
Typical settings include oil and gas, chemical processing, and semiconductor equipment.
Reference part number V70045 when ordering; the item is sold individually. Unit weight is approximately 1.5229 g and nominal inside diameter is listed as 4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -045 BLACK FKM 75D O-RING
uf_description2 0.070" (1.78MM) CS X 3.989" (101.32MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 3.989 inch (101.32 mm)
Actual_OD 4.129 inch (104.88 mm)
ProductCode Description O-Rings - Bulk - Commodity