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 6145-00-422-2644
NSN 5895-01-157-8795
NSN 5950-01-407-4509
NSN 5915-01-407-8867
NSN 6620-00-672-1957
NSN 6650-00-818-2741
NSN 6220-01-416-5880
NSN 5975-01-011-7239
NSN 5965-01-571-9997
NSN 5975-01-587-8917
NSN 6320-01-318-6518
NSN 5990-01-177-2838