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 6105-01-529-3579
NSN 5935-01-597-6410
NSN 6105-01-486-1456
NSN 5915-00-246-8709
NSN 5960-01-165-1956
NSN 6110-01-422-1572
NSN 5975-01-658-5292
NSN 6645-00-973-3868
NSN 6110-01-412-7785
NSN 5935-00-409-4247
NSN 5930-00-142-8251
NSN 5855-01-634-0259