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 2925-00-468-5273
NSN 6220-00-809-6071
NSN 6320-01-608-1935
NSN 7035-00-250-0982
NSN 4140-00-432-5593
NSN 6135-01-226-1396
NSN 5998-01-381-6506
NSN 5960-00-237-2655
NSN 6645-01-556-0788
NSN 5945-01-119-3845
NSN 6145-01-594-2045
NSN 6645-01-419-0471