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 5975-01-596-4415
NSN 6150-01-065-1023
NSN 6240-01-384-4868
NSN 6650-01-578-0007
NSN 5965-00-589-1228
NSN 5975-01-574-8825
NSN 5975-00-361-7793
NSN 5990-01-134-2859
NSN 4140-01-426-3773
NSN 6650-01-534-5439
NSN 5965-01-525-7513
NSN 6135-01-202-8113