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 6220-01-641-6048
NSN 5945-01-507-4907
NSN 5895-01-443-6066
NSN 5920-00-336-9055
NSN 5945-01-495-0509
NSN 5925-00-126-1489
NSN 5930-00-484-5390
NSN 6240-01-522-3320
NSN 6610-00-045-8132
NSN 5925-01-237-2501
NSN 5920-01-415-5805
NSN 5945-01-386-5505