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 6135-01-490-7704
NSN 5930-00-461-9999
NSN 6135-01-586-9346
NSN 6150-00-926-2964
NSN 6240-00-538-1416
NSN 5985-00-127-6712
NSN 5975-01-475-1920
NSN 5945-00-594-5168
NSN 2925-01-250-2731
NSN 5999-01-079-8010
NSN 6220-01-278-9798
NSN 5835-00-253-3453