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 6105-00-495-2976
NSN 5990-01-390-2177
NSN 6685-01-219-5080
NSN 5945-01-316-3240
NSN 5935-00-922-5520
NSN 6110-01-044-7367
NSN 5925-00-827-4964
NSN 6240-01-112-7576
NSN 5996-00-868-7170
NSN 6135-01-579-3534
NSN 6320-01-425-1417
NSN 5855-00-494-9581