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 5950-01-386-7182
NSN 6105-00-997-1686
NSN 6145-01-202-8838
NSN 6320-00-456-0836
NSN 5965-01-306-5381
NSN 6135-01-539-9009
NSN 5960-01-412-0619
NSN 5915-01-023-9204
NSN 5895-00-361-2609
NSN 5935-00-479-1367
NSN 6150-01-184-9275
NSN 6685-01-516-5152