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 5945-01-229-2798
NSN 6645-00-004-8628
NSN 6650-01-397-1925
NSN 6650-01-323-6252
NSN 6645-00-451-6462
NSN 5965-00-928-4854
NSN 6320-01-308-9392
NSN 2925-00-824-2186
NSN 5910-01-496-8504
NSN 5998-01-447-8093
NSN 7035-00-481-5182
NSN 6620-01-328-7059