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 7035-01-026-1171
NSN 5960-01-456-1735
NSN 4140-00-871-3000
NSN 6620-01-126-3237
NSN 6645-00-479-9334
NSN 5999-01-439-6548
NSN 5855-01-498-9056
NSN 5895-01-281-6622
NSN 6220-01-268-7100
NSN 6320-01-029-4220
NSN 5950-01-073-9312
NSN 5999-00-171-8858