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 6240-00-102-4003
NSN 6240-00-012-1957
NSN 6610-01-033-2402
NSN 6320-01-489-6044
NSN 4140-00-269-7920
NSN 5895-01-222-0639
NSN 6150-00-778-8610
NSN 5905-01-529-9383
NSN 6145-00-493-4073
NSN 5915-01-281-7383
NSN 5985-01-024-1294
NSN 6650-01-596-8627