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 5960-01-158-9166
NSN 5905-01-464-3833
NSN 6135-00-062-5080
NSN 6650-01-312-3467
NSN 5910-01-401-5279
NSN 6650-01-158-5099
NSN 6150-00-901-2463
NSN 6135-00-377-9165
NSN 5965-01-371-1297
NSN 5998-01-020-7274
NSN 5925-01-241-8464
NSN 5835-01-495-0595