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 6110-01-082-4172
NSN 6110-01-322-6428
NSN 6620-01-413-4170
NSN 6150-01-182-0580
NSN 6620-01-048-4145
NSN 5945-01-134-2425
NSN 6220-01-206-4410
NSN 6220-01-495-6024
NSN 5935-01-230-0006
NSN 5915-01-009-0221
NSN 6135-00-477-8847
NSN 6150-01-604-2177