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 6650-01-486-1268
NSN 5905-01-522-3908
NSN 5855-01-252-5424
NSN 6620-01-038-1031
NSN 5905-00-618-8744
NSN 5975-00-045-9819
NSN 5855-01-213-9076
NSN 6130-00-849-9151
NSN 5950-01-631-2646
NSN 6240-01-429-9002
NSN 5950-01-220-1421
NSN 5905-01-616-0549