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.
NSN 6130-01-551-7040
NSN 5990-01-076-6858
NSN 6240-01-650-5348
NSN 5915-00-829-9858
NSN 4140-01-188-4877
NSN 5915-01-179-5351
NSN 6110-01-410-7637
NSN 5935-01-631-1624
NSN 6130-00-274-8411
NSN 6240-01-534-4007
NSN 6135-00-840-6451
NSN 5930-00-496-7803