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 6320-01-150-5378
NSN 5930-01-342-7676
NSN 6650-01-324-4726
NSN 6240-00-117-9957
NSN 5985-01-355-7240
NSN 6620-01-542-8709
NSN 6220-01-202-8828
NSN 6220-00-933-5144
NSN 5960-01-443-3067
NSN 6110-00-155-0794
NSN 5975-01-447-4060
NSN 5960-01-106-5133