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 5990-01-546-1649
NSN 6620-00-246-5159
NSN 5925-01-503-4543
NSN 5835-01-297-1909
NSN 6220-01-337-1639
NSN 6240-00-570-9884
NSN 6240-00-949-8347
NSN 5965-01-487-4479
NSN 6220-01-479-1289
NSN 5930-01-400-0892
NSN 5998-00-019-0861
NSN 6620-00-737-9762