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 2925-01-008-5696
NSN 5920-01-143-5002
NSN 6650-00-248-0647
NSN 6650-00-710-0076
NSN 5835-01-424-0054
NSN 5950-01-365-2191
NSN 7035-01-023-1008
NSN 5925-01-364-9184
NSN 6645-01-283-5387
NSN 5998-01-584-4322
NSN 6110-00-950-3058
NSN 6220-01-127-7173