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 5925-01-583-5911
NSN 6620-01-100-3181
NSN 7035-01-169-6551
NSN 6150-01-541-5634
NSN 5960-00-969-5706
NSN 5925-01-083-4816
NSN 5905-01-463-7617
NSN 5975-01-207-9532
NSN 4140-01-331-4104
NSN 6145-01-090-3228
NSN 6220-00-614-7174
NSN 5999-01-410-8774