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 5990-00-578-6254
NSN 5999-01-313-7378
NSN 6240-01-580-1345
NSN 6645-00-392-8728
NSN 6240-01-176-4359
NSN 5998-01-588-0777
NSN 6150-01-223-8409
NSN 5996-00-213-7121
NSN 6105-01-381-1088
NSN 5985-01-475-2533
NSN 6130-01-115-3543
NSN 5945-01-634-0588