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 5910-01-213-2372
NSN 5915-01-091-9568
NSN 5835-01-067-9271
NSN 5895-01-470-4519
NSN 5960-00-776-8146
NSN 4140-00-689-6551
NSN 6110-01-099-6893
NSN 6135-00-681-2702
NSN 6650-00-269-5000
NSN 5990-00-444-9993
NSN 6105-00-243-7952
NSN 5975-01-481-3858