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 6320-01-522-0318
NSN 5905-01-597-2947
NSN 5935-01-505-4204
NSN 5950-00-487-0265
NSN 5975-01-602-3653
NSN 5910-01-006-2757
NSN 5985-00-912-3218
NSN 6145-01-224-6000
NSN 6320-01-253-9585
NSN 5905-00-140-1533
NSN 4140-01-599-1247
NSN 5915-01-472-4169