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 5935-01-644-3983
NSN 6220-01-407-8403
NSN 5855-00-631-4565
NSN 6320-00-809-5744
NSN 6320-01-416-9357
NSN 5895-01-017-1306
NSN 6105-01-591-3044
NSN 7035-00-153-3826
NSN 5960-00-518-3091
NSN 5998-01-319-5348
NSN 6685-00-975-0041
NSN 6130-01-444-3909