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 2925-01-122-8881
NSN 5925-00-145-9065
NSN 7035-00-193-2269
NSN 5905-00-607-0786
NSN 5925-00-244-0711
NSN 5945-01-069-2870
NSN 5960-01-133-2077
NSN 6220-01-634-0660
NSN 6105-01-226-3015
NSN 5935-01-323-5361
NSN 6130-00-955-1743
NSN 6685-01-607-6481