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 6320-00-242-3300
NSN 5925-01-171-5693
NSN 5920-00-246-5992
NSN 4140-00-238-6088
NSN 6240-01-088-7629
NSN 5990-01-612-5323
NSN 2925-01-177-1598
NSN 6650-01-424-0762
NSN 5855-01-651-9144
NSN 5945-00-557-4849
NSN 6130-00-270-6705
NSN 6645-01-624-6584