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 5950-01-087-2506
NSN 6150-00-179-1790
NSN 5985-00-661-2263
NSN 6145-00-900-5798
NSN 5965-01-584-6239
NSN 6220-00-318-7755
NSN 5998-01-021-4058
NSN 4140-00-876-4067
NSN 6610-01-106-1783
NSN 6110-00-249-6022
NSN 6320-00-977-3930
NSN 5935-00-874-7674