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 5965-00-925-1725
NSN 6610-01-415-1623
NSN 4140-01-410-9798
NSN 6240-00-624-8440
NSN 5999-00-587-7070
NSN 5990-01-081-0619
NSN 5960-00-717-2209
NSN 5855-00-110-9341
NSN 6645-01-275-5328
NSN 5930-01-161-4853
NSN 5998-01-373-1929
NSN 5920-01-451-3882