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 5945-01-178-4236
NSN 6130-00-222-6216
NSN 5925-01-426-6923
NSN 6650-00-482-8984
NSN 5975-00-518-1733
NSN 5965-00-847-2865
NSN 6145-01-205-5936
NSN 5999-01-245-8500
NSN 6685-00-155-4301
NSN 6320-00-456-2092
NSN 5835-01-624-5666
NSN 6610-00-484-2662