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 5935-01-468-5750
NSN 6110-00-542-2202
NSN 5930-00-036-0381
NSN 5996-01-281-7336
NSN 4140-01-287-3903
NSN 5998-00-125-7394
NSN 6145-01-469-0425
NSN 5905-00-517-9781
NSN 5895-01-371-3774
NSN 5998-00-707-5781
NSN 5998-00-312-8469
NSN 5996-01-496-0462