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 5920-00-983-8630
NSN 5935-00-179-4682
NSN 6220-01-513-9279
NSN 5855-01-103-8650
NSN 5999-00-454-6555
NSN 6240-01-440-7922
NSN 5965-01-539-4841
NSN 5965-01-478-1175
NSN 5915-00-560-2054
NSN 5905-01-644-6445
NSN 6150-00-395-9999
NSN 6130-01-472-9039