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 5915-01-245-5443
NSN 5996-01-587-9925
NSN 6320-00-994-0179
NSN 6240-00-976-4435
NSN 5998-01-380-1051
NSN 5965-00-051-6434
NSN 5999-01-013-2581
NSN 5920-01-327-0663
NSN 5915-01-603-6323
NSN 5905-00-551-9158
NSN 5855-01-438-4588
NSN 5960-01-415-3574