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 2925-00-839-6815
NSN 5895-01-207-0753
NSN 5950-00-484-7830
NSN 7035-01-487-4314
NSN 7035-00-205-8739
NSN 5975-01-116-2115
NSN 5925-01-343-0831
NSN 5950-01-426-0628
NSN 5975-01-193-7542
NSN 5998-01-065-2634
NSN 5965-01-169-1194
NSN 6320-00-194-4252