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 5920-01-208-8794
NSN 6150-00-435-6075
NSN 7035-01-396-3343
NSN 6135-01-415-9741
NSN 6220-00-890-5909
NSN 6240-01-305-3416
NSN 5895-00-246-4415
NSN 5935-01-250-3820
NSN 6320-01-113-7647
NSN 5910-01-250-3124
NSN 5920-01-219-0724
NSN 6240-01-485-0008