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 bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 5920-01-015-8227
NSN 6130-01-071-2820
NSN 5915-01-004-9319
NSN 5910-00-106-1373
NSN 6620-01-527-4213
NSN 5895-01-171-3747
NSN 5915-00-060-0077
NSN 6645-01-147-5579
NSN 6320-00-456-0836
NSN 6320-01-276-4739
NSN 5835-01-366-5907
NSN 6650-01-073-9520