A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6220-00-110-8921
NSN 6130-01-278-4178
NSN 6650-01-177-4398
NSN 6240-01-442-5114
NSN 6320-01-202-8761
NSN 6240-01-316-7020
NSN 5950-00-027-0749
NSN 4140-01-188-5538
NSN 5925-00-504-0996
NSN 5935-01-318-9750
NSN 5996-00-503-1900
NSN 6105-00-789-5612