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 5998-01-188-7217
NSN 5999-01-599-1362
NSN 5920-01-461-2810
NSN 6135-01-641-8640
NSN 5975-01-371-3051
NSN 7035-00-020-2227
NSN 5960-00-449-1769
NSN 6135-01-562-6582
NSN 6110-00-660-8998
NSN 5920-01-510-2784
NSN 6685-01-468-8408
NSN 5910-01-541-9029