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 5998-01-203-1643
NSN 5960-00-891-8882
NSN 5895-00-061-7192
NSN 5975-00-874-3542
NSN 6240-00-931-2395
NSN 6135-01-444-6824
NSN 6645-01-028-2186
NSN 5985-01-542-5124
NSN 2925-01-400-2286
NSN 5985-00-542-0597
NSN 5985-01-347-2748
NSN 5999-00-505-2039