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 6320-01-050-1290
NSN 5920-01-394-5003
NSN 6145-01-012-0804
NSN 5935-00-287-9898
NSN 6130-00-357-2431
NSN 5920-00-982-8042
NSN 6130-00-463-5918
NSN 5935-01-580-2076
NSN 5985-01-522-9600
NSN 5999-01-527-7401
NSN 6150-01-649-7113
NSN 6650-01-399-8552