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 5999-00-789-0823
NSN 5990-01-651-0170
NSN 5925-01-617-4501
NSN 6150-00-447-1048
NSN 5915-01-607-2466
NSN 5996-01-095-5345
NSN 6150-01-351-6898
NSN 5975-01-519-8899
NSN 6135-01-142-2417
NSN 5950-01-644-6066
NSN 5935-00-895-6415
NSN 5930-01-346-0595