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 armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6650-00-629-8027
NSN 6685-01-040-5980
NSN 5910-00-156-7293
NSN 6240-00-868-2102
NSN 6645-00-510-6643
NSN 5855-00-185-1560
NSN 6685-01-023-8731
NSN 5915-00-189-1323
NSN 5945-01-466-3522
NSN 5985-01-428-6828
NSN 6650-00-879-5834
NSN 5999-01-167-8884