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 6610-01-594-1835
NSN 2925-01-035-1096
NSN 7035-01-116-6223
NSN 5998-01-645-6329
NSN 5965-01-325-0627
NSN 5905-01-160-7887
NSN 6105-00-111-2546
NSN 5855-01-122-9418
NSN 6105-01-304-8172
NSN 6610-01-211-6182
NSN 6220-01-530-2694
NSN 7035-00-483-8630