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 5990-00-501-4994
NSN 6610-01-289-5784
NSN 6610-00-186-9180
NSN 5950-01-437-5784
NSN 6645-01-544-3581
NSN 6320-00-790-4844
NSN 6110-00-193-0450
NSN 5895-01-401-5388
NSN 6645-00-171-9639
NSN 6610-00-811-6072
NSN 6150-00-269-5017
NSN 5945-01-017-8020