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 7035-00-064-7008
NSN 5998-00-147-7058
NSN 5990-00-554-0366
NSN 6135-01-512-8740
NSN 2925-01-043-9786
NSN 6650-01-064-3557
NSN 6650-01-573-8318
NSN 6620-01-464-6762
NSN 6610-00-155-1334
NSN 4140-00-949-2438
NSN 5985-01-021-6645
NSN 5930-01-551-1768