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 5999-00-138-2528
NSN 6220-01-190-8605
NSN 6610-00-216-6538
NSN 6645-00-155-2398
NSN 5996-00-126-6139
NSN 5895-00-130-5816
NSN 5950-00-242-1131
NSN 5996-00-983-7884
NSN 5925-00-885-8736
NSN 6150-01-192-6752
NSN 5960-01-130-9414
NSN 6150-01-468-1930