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 6145-00-296-0085
NSN 5975-01-264-6803
NSN 5990-00-459-5752
NSN 6220-00-933-9521
NSN 5990-01-544-0364
NSN 6240-00-126-4551
NSN 5895-00-832-5778
NSN 5925-00-467-6213
NSN 6130-00-071-7088
NSN 6685-01-440-1844
NSN 5930-00-296-5604
NSN 5960-01-443-4861