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 5975-01-025-5794
NSN 5910-01-064-4080
NSN 6105-01-064-0269
NSN 6620-01-521-0580
NSN 5895-01-201-7700
NSN 6110-00-438-9158
NSN 6135-01-128-5358
NSN 5996-01-312-1727
NSN 6220-01-230-0872
NSN 7035-01-599-4647
NSN 7035-01-115-8996
NSN 5975-01-458-6370