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 5915-01-064-7697
NSN 5965-01-320-1808
NSN 5990-01-442-3520
NSN 6220-01-360-3833
NSN 5999-01-644-4942
NSN 6130-01-106-3462
NSN 5915-00-338-3375
NSN 5905-01-435-6064
NSN 6320-00-823-2015
NSN 5985-00-273-9539
NSN 6130-00-263-1827
NSN 5975-00-528-9774