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 6105-00-281-8185
NSN 5930-01-360-6497
NSN 5965-01-329-6280
NSN 5960-00-051-8903
NSN 4140-01-185-6214
NSN 6650-00-421-9818
NSN 5910-01-147-3541
NSN 2925-01-415-2140
NSN 6130-01-364-7941
NSN 6240-01-074-6962
NSN 6240-00-878-1002
NSN 6620-00-898-2744