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 6610-01-008-4972
NSN 5996-01-641-7258
NSN 4140-01-574-3955
NSN 7035-01-383-6549
NSN 6135-00-856-1343
NSN 6650-01-432-5461
NSN 6610-01-058-2366
NSN 5920-01-449-3361
NSN 6135-00-686-4777
NSN 5855-01-327-6678
NSN 5998-00-166-8135
NSN 5930-01-466-3561