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 5915-00-959-5454
NSN 5985-01-495-6164
NSN 4140-00-211-5970
NSN 5950-01-039-5435
NSN 6610-01-195-3497
NSN 6240-00-717-0844
NSN 6685-00-203-4485
NSN 5960-00-883-1926
NSN 5985-01-327-3017
NSN 5975-00-401-1840
NSN 5910-01-536-6766
NSN 5975-00-449-1209