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 5975-01-112-0972
NSN 6135-01-656-0761
NSN 5975-01-394-2323
NSN 6650-00-398-1821
NSN 5985-01-200-6830
NSN 6645-00-108-6479
NSN 6610-01-276-7766
NSN 4140-01-174-0284
NSN 5905-01-427-3804
NSN 5975-01-260-3509
NSN 5910-00-954-1913
NSN 2925-00-923-4397