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 5975-01-071-1928
NSN 5960-00-315-0358
NSN 6145-01-267-8821
NSN 5915-00-466-1512
NSN 5935-00-931-1586
NSN 6320-01-029-4220
NSN 5905-01-459-8025
NSN 5945-00-159-1567
NSN 5835-00-933-9609
NSN 6150-00-935-5239
NSN 5835-01-371-8759
NSN 6320-00-089-9426