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 6110-01-293-7388
NSN 6610-00-276-1716
NSN 5965-01-643-9349
NSN 5920-01-133-2924
NSN 6130-00-525-9975
NSN 6650-01-506-0386
NSN 5975-01-502-9662
NSN 5920-01-261-6358
NSN 6320-01-564-0893
NSN 5998-00-598-2922
NSN 6105-01-492-5723
NSN 6645-00-958-0354