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 7035-01-429-4183
NSN 5999-00-875-2417
NSN 6620-01-226-6569
NSN 6610-01-314-7964
NSN 6685-00-863-6350
NSN 5999-01-553-0857
NSN 6650-01-234-1895
NSN 7035-00-104-7613
NSN 5855-01-163-8152
NSN 5975-00-458-3038
NSN 2925-01-285-7163
NSN 6110-00-279-3266