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 6645-01-614-4838
NSN 5835-00-554-0399
NSN 6220-01-425-5083
NSN 6150-01-335-0679
NSN 5950-01-062-0266
NSN 6105-01-602-7291
NSN 5935-00-482-3371
NSN 5985-01-312-4480
NSN 5996-00-496-8806
NSN 6145-00-806-5333
NSN 5920-01-560-4200
NSN 5925-01-529-6836