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 5998-01-631-6128
NSN 5930-01-495-9592
NSN 5998-01-421-0800
NSN 5920-00-151-4039
NSN 6110-01-136-3104
NSN 6145-01-444-4509
NSN 6650-00-162-6638
NSN 2925-01-550-0177
NSN 6150-01-203-6704
NSN 4140-00-241-0065
NSN 6650-00-216-6365
NSN 5895-00-338-1937