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 5910-01-489-5550
NSN 6320-01-515-7913
NSN 6135-01-205-5965
NSN 6130-00-580-0901
NSN 5930-01-389-0027
NSN 6320-01-113-7647
NSN 6620-00-431-3837
NSN 6240-01-375-3571
NSN 6645-01-227-2036
NSN 6150-01-396-7715
NSN 5895-01-381-1785
NSN 6650-00-398-1821