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 5999-01-332-6728
NSN 5960-01-048-7305
NSN 5975-00-174-3560
NSN 5990-00-909-4335
NSN 5975-00-698-9853
NSN 5996-00-846-3300
NSN 6110-01-450-1679
NSN 6220-01-180-1024
NSN 5915-00-764-3123
NSN 6650-01-056-6440
NSN 5990-01-522-6096
NSN 5930-01-542-8967