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 4140-01-485-9468
NSN 6105-01-659-2444
NSN 5910-01-137-4211
NSN 6620-00-959-6614
NSN 6620-01-230-0197
NSN 5975-01-542-0438
NSN 5998-00-502-9065
NSN 5960-01-525-1690
NSN 6130-00-023-8701
NSN 5915-01-633-9845
NSN 5985-01-428-6332
NSN 6110-01-039-5444