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 5960-01-340-9485
NSN 5950-01-166-6171
NSN 5925-01-200-2714
NSN 5998-01-181-5312
NSN 6110-01-310-4986
NSN 4140-01-553-0552
NSN 6105-00-117-9838
NSN 6220-00-038-1712
NSN 6150-01-650-8140
NSN 5925-01-508-5755
NSN 6130-01-420-1772
NSN 6220-00-052-7243