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 5975-01-342-3099
NSN 5999-00-433-0450
NSN 4140-00-198-4961
NSN 6105-01-462-1657
NSN 5910-01-036-7931
NSN 5965-01-633-8849
NSN 5975-01-492-7458
NSN 5855-01-375-2152
NSN 4140-00-960-8222
NSN 5998-01-455-1185
NSN 5855-01-398-9548
NSN 5945-00-177-4676