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 6650-01-381-3542
NSN 5960-01-262-5048
NSN 5990-01-443-2931
NSN 6110-01-182-7415
NSN 6685-01-056-4379
NSN 6610-01-155-2661
NSN 2925-01-362-2515
NSN 5935-01-183-3900
NSN 5998-01-218-3787
NSN 6145-00-010-1425
NSN 6150-01-440-6490
NSN 6150-00-477-7697