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 4140-01-085-7810
NSN 5975-01-165-8433
NSN 6105-00-058-1361
NSN 5985-00-708-2193
NSN 5835-00-106-2120
NSN 5960-01-546-2379
NSN 5915-01-273-3002
NSN 6610-01-067-6591
NSN 5930-00-828-9448
NSN 5935-00-678-0460
NSN 5895-00-998-6537
NSN 6130-01-472-3703