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 6130-01-177-9290
NSN 6145-00-943-9549
NSN 6220-00-517-9300
NSN 5910-01-423-7711
NSN 6320-01-185-3857
NSN 6220-00-702-9518
NSN 5998-00-078-4297
NSN 5960-00-872-5044
NSN 5996-00-222-6049
NSN 5925-00-313-6049
NSN 6135-01-413-4747
NSN 5965-01-548-3159