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 5935-01-420-9774
NSN 5960-00-140-9583
NSN 5945-01-113-5902
NSN 6110-01-532-3306
NSN 5990-01-572-3137
NSN 6135-01-086-8167
NSN 5915-01-411-3544
NSN 5990-01-651-6364
NSN 5930-01-442-9341
NSN 5930-01-509-4346
NSN 5965-01-568-8031
NSN 6145-01-417-0042