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 6110-01-510-1456
NSN 6110-01-551-1478
NSN 6110-01-445-6841
NSN 6650-01-329-3055
NSN 5920-00-007-4245
NSN 5990-01-107-1003
NSN 5855-01-281-6689
NSN 5990-01-021-7303
NSN 5925-01-634-0664
NSN 6220-01-529-6112
NSN 6320-01-556-2011
NSN 5905-01-303-4909