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 6220-01-391-5323
NSN 5999-00-888-4296
NSN 6110-01-374-1491
NSN 6220-00-243-6526
NSN 6130-01-509-1551
NSN 5975-00-586-8113
NSN 5975-01-406-4249
NSN 5998-01-604-8042
NSN 6110-01-141-7745
NSN 5915-01-491-5521
NSN 5975-01-551-4692
NSN 5925-01-390-7621