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 6110-01-628-2884
NSN 5998-01-125-6737
NSN 5920-00-573-7512
NSN 5965-01-620-1182
NSN 6150-00-958-0473
NSN 5999-00-504-0410
NSN 5965-00-170-5254
NSN 5920-00-922-1094
NSN 5945-01-331-3703
NSN 5855-00-466-2309
NSN 5945-01-576-0297
NSN 7035-00-238-3662