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 5935-01-580-0584
NSN 5998-01-264-2487
NSN 6110-01-408-5075
NSN 5975-01-330-8260
NSN 6220-01-462-1479
NSN 6645-01-430-2420
NSN 5905-00-752-7360
NSN 5915-00-869-4868
NSN 6620-01-655-7664
NSN 2925-01-646-9112
NSN 5905-01-556-9079
NSN 6110-01-260-8059