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 6645-01-249-7209
NSN 5999-01-387-7778
NSN 5996-01-269-5443
NSN 5985-01-557-1946
NSN 5920-00-417-8768
NSN 6135-01-305-6958
NSN 6105-00-647-3955
NSN 5985-01-223-0840
NSN 4140-01-519-1870
NSN 5996-00-270-0340
NSN 5930-01-115-9489
NSN 5998-01-446-8591