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 5998-01-386-4211
NSN 5925-01-230-9655
NSN 6105-01-381-7242
NSN 6685-01-295-9415
NSN 5975-01-359-1590
NSN 5999-01-439-4057
NSN 5998-01-462-5887
NSN 5945-01-087-2749
NSN 5855-01-609-1869
NSN 5855-00-797-8217
NSN 5920-01-434-8504
NSN 6150-01-145-4449