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 7035-00-267-5424
NSN 6220-00-107-9301
NSN 6145-01-025-6514
NSN 5985-00-971-2056
NSN 5915-00-170-2800
NSN 6105-01-197-2901
NSN 5905-01-422-3229
NSN 7035-01-595-5270
NSN 5990-01-632-0969
NSN 6220-01-093-4439
NSN 6150-00-189-0292
NSN 5996-00-698-8443