A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6240-00-334-6766
NSN 5905-01-278-9000
NSN 5895-01-390-7239
NSN 5975-01-659-5299
NSN 5990-00-660-8885
NSN 5999-00-189-1716
NSN 5985-01-513-0488
NSN 6320-00-857-4073
NSN 5999-00-866-6562
NSN 6320-01-300-7994
NSN 5965-00-961-1627
NSN 6645-01-304-4308