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 5945-01-341-4055
NSN 5855-00-466-2309
NSN 5996-00-925-1953
NSN 6105-01-123-8887
NSN 5935-01-423-7534
NSN 6105-01-466-9090
NSN 5990-01-369-6915
NSN 5960-01-599-9821
NSN 5905-01-468-5532
NSN 6610-01-298-2649
NSN 5945-00-135-1458
NSN 4140-01-459-5374