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 5905-00-294-9445
NSN 5855-01-349-8583
NSN 5985-01-247-9133
NSN 6135-01-564-8390
NSN 6620-00-714-4307
NSN 5925-01-502-6475
NSN 6145-01-215-0178
NSN 5998-01-536-1908
NSN 6145-01-246-3988
NSN 5935-01-017-3266
NSN 5990-01-629-4694
NSN 5945-01-481-1584