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 5950-01-430-9276
NSN 5915-00-291-3736
NSN 6220-01-461-0304
NSN 5960-01-641-5493
NSN 5999-01-591-4326
NSN 5985-01-649-4668
NSN 5920-01-211-5557
NSN 5998-01-207-2594
NSN 5998-01-391-5000
NSN 4140-00-388-6829
NSN 6150-01-398-9850
NSN 5996-01-172-3104