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 4140-00-500-2718
NSN 6105-01-562-3297
NSN 6240-00-452-5241
NSN 6220-01-362-0390
NSN 5895-01-128-2784
NSN 6145-00-843-8744
NSN 6240-00-319-4549
NSN 6220-00-466-2287
NSN 5920-01-425-7496
NSN 2925-01-560-4123
NSN 5990-00-455-9865
NSN 6620-01-613-7996