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 5835-00-185-4919
NSN 5998-01-602-3091
NSN 6240-01-416-9914
NSN 6150-00-170-8008
NSN 5965-00-267-4173
NSN 5935-00-361-2619
NSN 6685-01-035-7306
NSN 5996-00-912-1966
NSN 6685-01-152-0668
NSN 5996-00-691-0174
NSN 5990-01-492-6575
NSN 6145-01-436-6241