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 5985-01-258-9200
NSN 6110-01-270-0814
NSN 6685-00-099-9025
NSN 6650-01-450-0790
NSN 5930-00-371-6670
NSN 5985-01-535-5517
NSN 6685-00-510-2905
NSN 7035-01-557-9714
NSN 5996-00-373-9001
NSN 6105-01-211-5451
NSN 5975-01-386-3061
NSN 2925-00-343-3235