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 5835-00-155-1379
NSN 4140-01-109-6834
NSN 5895-00-078-9281
NSN 5835-01-442-6482
NSN 5910-00-689-6860
NSN 6130-01-092-2667
NSN 5925-00-573-4367
NSN 5935-01-399-7113
NSN 6620-01-456-0529
NSN 5835-01-537-1228
NSN 6645-01-422-9045
NSN 5975-01-629-9389