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: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5950-01-364-9301
NSN 5925-00-643-9404
NSN 5975-01-067-3962
NSN 6110-00-405-2201
NSN 5915-01-439-7207
NSN 6320-01-592-6248
NSN 6105-00-840-6433
NSN 7035-00-335-7283
NSN 5920-01-534-3806
NSN 6610-01-182-1182
NSN 4140-00-968-0685
NSN 5945-00-622-9906