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 5996-01-106-2763
NSN 5910-01-384-2665
NSN 6145-00-213-9181
NSN 7035-01-495-5063
NSN 6620-00-510-5162
NSN 6610-01-105-9520
NSN 5975-01-410-7647
NSN 5990-01-354-8965
NSN 5835-00-009-2862
NSN 5925-01-020-7548
NSN 2925-01-394-9658
NSN 6150-00-073-3007