Part number V75MD158 is an AS568-158 blue Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 4.737 in (120.32 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.943 in (125.55 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The compound resists aromatic hydrocarbons, chlorinated solvents, and petroleum oils and fuels. Viton® (FKM) is specified for excellent resistance to compression set and permeation, outstanding high-temperature capability. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).
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 automotive fuel systems, semiconductor equipment, and oil and gas.
Order part number V75MD158, sold individually. Nominal inside diameter is listed as 4 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -158 BLUE FKM 75D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 4.737 inch (120.32 mm)
Actual Outside Diameter 4.943 inch (125.55 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable