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 5975-01-364-1117
NSN 5930-00-890-0698
NSN 6620-01-182-0282
NSN 6105-01-067-9002
NSN 5998-01-216-7752
NSN 5990-00-802-3060
NSN 6105-01-428-9648
NSN 5895-01-271-5865
NSN 6220-01-432-0089
NSN 5905-01-021-6823
NSN 5910-01-540-1289
NSN 6150-01-409-2858