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 2925-01-215-5022
NSN 6145-01-092-4075
NSN 4140-01-222-4459
NSN 5965-00-682-3567
NSN 6150-01-508-2081
NSN 5965-01-005-0341
NSN 6110-01-632-5131
NSN 6150-00-776-2738
NSN 5920-01-155-7685
NSN 5950-01-073-8684
NSN 5855-01-321-3881
NSN 6610-01-429-2162