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 5990-00-031-1686
NSN 6610-01-564-4084
NSN 6650-01-449-8637
NSN 6110-00-035-8794
NSN 5905-00-369-1644
NSN 6320-01-399-6177
NSN 6645-01-439-8368
NSN 5985-01-081-9976
NSN 5910-01-459-8500
NSN 5945-01-205-3534
NSN 5975-01-323-1483
NSN 5990-01-050-7535