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 6105-01-025-2571
NSN 5996-01-065-3440
NSN 7035-01-616-9018
NSN 6610-00-654-9877
NSN 6685-01-570-5786
NSN 5835-00-177-2970
NSN 5950-00-263-2061
NSN 5960-00-918-2369
NSN 5895-00-404-8438
NSN 6645-01-359-5769
NSN 5999-01-123-9674
NSN 6135-01-115-2867