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 of taps, cocks, valves and similar appliances, nesoi
NSN 5895-00-858-2855
NSN 5915-00-799-2975
NSN 5930-01-181-1151
NSN 5920-01-179-9739
NSN 6150-01-573-6333
NSN 6130-00-082-2633
NSN 5915-01-311-3684
NSN 6150-01-371-7696
NSN 5935-00-972-8993
NSN 6650-01-461-8283
NSN 5920-01-423-8595
NSN 6610-01-352-2976