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 5975-01-476-0071
NSN 5930-01-590-0164
NSN 5998-01-617-1292
NSN 5915-01-398-8293
NSN 4140-01-503-7424
NSN 5905-01-436-5469
NSN 5950-00-274-7228
NSN 5950-01-392-7248
NSN 5996-01-500-2820
NSN 5975-01-435-4899
NSN 5960-00-284-4837
NSN 6240-01-425-5655