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 5965-01-204-8505
NSN 5996-01-451-3591
NSN 5990-00-949-7782
NSN 5915-01-625-8926
NSN 6620-01-551-7922
NSN 6105-01-481-0322
NSN 5975-00-292-3250
NSN 5915-01-415-3100
NSN 5950-01-277-2606
NSN 5855-01-440-9880
NSN 6650-01-467-2355
NSN 6220-01-111-7085