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.
NSN 2925-01-345-9439
NSN 5960-01-641-5493
NSN 5925-00-063-8997
NSN 2925-00-902-3881
NSN 5915-01-036-7067
NSN 7035-01-123-8723
NSN 6620-00-400-4237
NSN 6150-00-627-0926
NSN 5835-01-412-6901
NSN 5910-01-193-3862
NSN 6130-01-112-5145
NSN 5965-01-382-4863