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 5945-01-630-5707
NSN 5920-01-586-0553
NSN 6240-01-597-1611
NSN 5835-01-324-0089
NSN 6620-01-176-3530
NSN 6610-01-307-6363
NSN 5935-01-065-2281
NSN 5855-00-494-9581
NSN 6135-00-990-1822
NSN 5998-01-253-8096
NSN 5960-00-126-4729
NSN 5975-01-568-3373