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 6110-01-642-1872
NSN 5999-01-548-1280
NSN 5895-00-753-5349
NSN 5930-00-528-7998
NSN 2925-01-504-7118
NSN 5855-01-392-1110
NSN 6645-01-370-5264
NSN 5895-01-282-1131
NSN 5910-01-492-6028
NSN 5910-01-597-2019
NSN 5895-00-689-2990
NSN 6110-00-925-4281