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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5965-00-728-2960
NSN 6240-00-896-6334
NSN 7035-01-516-1495
NSN 5895-01-463-1940
NSN 5935-00-542-3634
NSN 5925-01-652-3980
NSN 5920-00-557-5171
NSN 5855-00-256-5562
NSN 5855-01-573-8397
NSN 5990-00-948-4515
NSN 6650-01-556-9696
NSN 5975-01-595-4316