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 5998-01-393-7929
NSN 5855-00-118-8762
NSN 6220-01-142-8449
NSN 6135-01-487-6275
NSN 6685-01-047-8368
NSN 6240-01-371-3020
NSN 6240-01-083-0867
NSN 5999-00-370-0797
NSN 5905-00-724-5772
NSN 5915-01-580-0308
NSN 6145-00-155-5297
NSN 6650-00-087-6428