APG stocks the VITON75048, an AS568-048 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 4.739 in (120.37 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.879 in (123.93 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
The material holds up against petroleum oils and fuels, chlorinated solvents, and aggressive chemicals. Viton® (FKM) is specified for the industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in amines or ketones and esters.
Maintenance and OEM teams specify it across oil and gas, aerospace, and semiconductor equipment.
Stocked as VITON75048 and sold individually. Unit weight is approximately 1.7973 g and nominal inside diameter is listed as 4 3/4 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -048 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.070" (1.78MM) CS X 4.739" (120.37MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 4.739 inch (120.37 mm)
Actual_OD 4.879 inch (123.93 mm)
ProductCode Description O-Rings - Bulk - Commodity