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 5935-01-364-1338
NSN 6130-01-106-3085
NSN 5990-01-564-6173
NSN 5985-00-064-2054
NSN 5975-01-245-9429
NSN 5960-01-132-2975
NSN 5950-01-016-3718
NSN 7035-01-136-3618
NSN 5975-00-143-4658
NSN 5960-00-104-5955
NSN 5910-00-066-4391
NSN 6610-00-005-4452