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 6135-01-656-0761
NSN 6685-00-772-0468
NSN 6130-01-052-5593
NSN 6610-01-660-3966
NSN 6220-01-658-4536
NSN 6240-01-415-5149
NSN 5910-01-025-4500
NSN 4140-00-238-9940
NSN 6110-01-201-3424
NSN 5945-01-443-3423
NSN 6685-01-423-8076
NSN 5905-00-346-8296