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 6620-01-254-3609
NSN 6135-01-230-4399
NSN 5975-01-515-1549
NSN 5975-01-449-1462
NSN 5925-00-455-8584
NSN 5975-00-387-6515
NSN 6610-00-686-5817
NSN 5998-01-513-8512
NSN 6620-00-663-8962
NSN 6610-01-660-3966
NSN 5960-01-333-1828
NSN 6105-01-576-0309