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 compressors other than refrigerating and air conditioning compressors
NSN 5910-01-213-8322
NSN 5835-00-794-7500
NSN 5855-01-406-7237
NSN 5975-01-263-9116
NSN 5915-01-648-1120
NSN 5855-00-688-9954
NSN 5996-00-943-9050
NSN 5960-00-679-3944
NSN 6135-00-274-4037
NSN 5915-00-290-1569
NSN 5960-00-755-7017
NSN 5930-01-439-2444