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 6610-00-814-0569
NSN 4140-01-331-2234
NSN 5990-01-049-7505
NSN 5965-00-188-5531
NSN 7035-00-991-6877
NSN 6105-01-062-1422
NSN 5855-00-149-0766
NSN 6645-00-113-4441
NSN 5855-01-558-9357
NSN 4140-01-328-3958
NSN 5935-01-307-8350
NSN 7035-00-020-2227