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 5990-01-426-7350
NSN 6105-00-650-3448
NSN 5935-00-539-3448
NSN 5935-00-885-5597
NSN 6240-00-959-7025
NSN 6130-00-911-2820
NSN 6620-01-651-5425
NSN 5895-01-196-4845
NSN 5960-01-399-2583
NSN 5990-01-052-1987
NSN 5930-01-469-5736
NSN 5905-01-296-5317