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 5935-01-414-6453
NSN 5996-01-451-3591
NSN 6130-00-240-0026
NSN 5910-00-210-2605
NSN 6645-00-315-9254
NSN 5990-01-053-5115
NSN 6110-01-107-7532
NSN 5915-00-081-3406
NSN 6685-00-642-0533
NSN 5998-01-179-0329
NSN 6320-01-317-7312
NSN 6105-01-114-4452