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 6135-01-468-6491
NSN 6110-00-701-0765
NSN 5920-00-803-3290
NSN 6620-01-420-7465
NSN 5985-01-261-2805
NSN 6135-01-633-2066
NSN 6135-00-477-8847
NSN 5975-00-099-9312
NSN 6240-01-473-3781
NSN 5999-00-701-4815
NSN 5905-00-329-6968
NSN 6610-01-620-8868