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 5835-01-587-8787
NSN 6320-00-070-4544
NSN 5895-01-534-3361
NSN 5920-00-765-2867
NSN 5925-01-397-6450
NSN 5920-00-926-0621
NSN 6220-01-440-4065
NSN 6110-01-007-6111
NSN 4140-01-478-2064
NSN 5960-01-119-4609
NSN 2925-01-649-7543
NSN 6240-01-344-9975