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 6650-01-599-5668
NSN 6320-01-585-8468
NSN 5999-01-260-6521
NSN 6150-00-619-1711
NSN 6105-01-313-9550
NSN 5905-00-167-1693
NSN 6130-01-506-7236
NSN 4140-00-886-1710
NSN 6220-00-945-2342
NSN 6620-01-463-1373
NSN 6130-01-121-0962
NSN 4140-00-189-0235