-250 BLUE FKM 75D O-RING

The V75MD250 is an AS568-250 blue Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 4.984 in (126.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.262 in (133.65 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to engine and transmission fluids, aromatic hydrocarbons, and chlorinated solvents. Viton® (FKM) is specified for long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Verify compatibility before use with amines or low-molecular-weight organic acids.

The compound meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across oil and gas, aerospace, and automotive fuel systems.

Reference part number V75MD250 when ordering; the item is sold individually. Nominal inside diameter is listed as 5 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.