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.
NSN 5935-00-081-6862
NSN 6645-01-381-7104
NSN 6320-01-155-8295
NSN 6320-01-108-5933
NSN 5999-01-478-1213
NSN 6220-00-548-1999
NSN 5975-01-623-4042
NSN 6145-00-155-5297
NSN 5895-01-267-2750
NSN 6130-01-044-6382
NSN 2925-00-573-7193
NSN 5945-01-645-1474