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 5945-01-500-8719
NSN 6220-00-832-6916
NSN 5895-00-727-8708
NSN 6650-01-090-6552
NSN 6150-00-470-2702
NSN 7035-01-510-4569
NSN 5960-01-505-2426
NSN 5930-01-290-4786
NSN 7035-00-731-8729
NSN 5965-01-448-6055
NSN 6135-01-297-5565
NSN 5935-01-498-3154