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 2925-01-138-8104
NSN 4140-00-454-2503
NSN 5990-01-349-8132
NSN 6320-01-056-1164
NSN 6620-00-140-8644
NSN 5935-00-578-5687
NSN 6145-01-014-5209
NSN 6650-01-305-4567
NSN 5935-00-510-4496
NSN 6135-00-913-2062
NSN 6320-01-382-9676
NSN 6145-01-448-7281