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 5965-00-421-9007
NSN 6135-00-448-5642
NSN 6110-01-028-7980
NSN 6320-00-521-9350
NSN 5998-01-542-9308
NSN 5930-00-119-3539
NSN 5996-01-196-8541
NSN 5960-00-325-3076
NSN 6145-00-775-0786
NSN 2925-01-442-4171
NSN 5960-01-316-6563
NSN 6650-00-356-8405