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 7035-00-018-0350
NSN 5915-00-355-4669
NSN 6130-01-393-6408
NSN 6320-01-412-2973
NSN 5910-00-864-6626
NSN 6650-01-263-5412
NSN 5835-01-498-9410
NSN 5990-01-633-9503
NSN 5915-01-397-2501
NSN 5920-00-631-3528
NSN 6135-00-733-9665
NSN 6650-01-311-1593