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 5915-01-383-8282
NSN 6145-01-551-7902
NSN 5910-01-510-8340
NSN 7035-00-347-5537
NSN 5985-00-097-0057
NSN 6645-01-535-7136
NSN 6650-00-111-3399
NSN 5975-01-541-4123
NSN 5975-00-435-0350
NSN 6135-01-388-8376
NSN 5990-01-292-2369
NSN 5996-01-167-8914