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 6645-00-875-0772
NSN 6240-00-051-1261
NSN 5975-00-855-4623
NSN 6320-00-893-2857
NSN 7035-01-377-7712
NSN 6110-00-263-6664
NSN 5920-01-552-8651
NSN 5945-01-050-2468
NSN 5950-01-309-9802
NSN 2925-01-429-2235
NSN 5915-01-321-8951
NSN 5999-00-899-4809