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 6650-01-528-8701
NSN 5998-01-277-7790
NSN 6240-01-155-2959
NSN 4140-01-340-9641
NSN 5935-01-306-7858
NSN 2925-01-139-5144
NSN 5975-00-938-3794
NSN 7035-01-314-7559
NSN 5920-00-681-5454
NSN 5945-01-100-4045
NSN 5945-01-255-5197
NSN 6110-01-019-7987