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 5990-00-850-0609
NSN 6220-01-501-4476
NSN 5965-01-443-5490
NSN 5996-00-389-7404
NSN 6685-01-593-7715
NSN 4140-01-104-9279
NSN 5965-01-426-8325
NSN 6135-00-862-5736
NSN 5965-00-162-8271
NSN 6130-01-021-2228
NSN 6240-01-192-5590
NSN 6320-00-809-5744