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 5930-00-422-1924
NSN 5965-00-035-4556
NSN 5910-01-433-0142
NSN 6240-00-287-1988
NSN 5960-01-447-1154
NSN 6645-01-237-2568
NSN 4140-01-309-8006
NSN 5975-01-288-9624
NSN 6145-00-944-8304
NSN 6610-01-323-7045
NSN 5925-01-010-2925
NSN 6135-01-238-2878