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 6610-01-154-7949
NSN 5950-01-429-1014
NSN 5985-00-892-5884
NSN 4140-01-472-7598
NSN 5910-01-250-0543
NSN 5920-01-191-6321
NSN 5905-01-590-7690
NSN 5925-01-191-6498
NSN 5835-01-654-4570
NSN 6150-01-165-0370
NSN 6145-00-842-3493
NSN 5985-00-102-5847