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 5985-00-719-1603
NSN 5910-01-019-2554
NSN 6135-01-633-8502
NSN 6685-01-518-4293
NSN 6650-01-513-0493
NSN 6320-01-098-2503
NSN 6650-00-195-7519
NSN 5910-01-206-3963
NSN 6645-01-437-9017
NSN 6610-01-131-4508
NSN 5925-01-463-6888
NSN 6685-00-229-3224