2.5 inch thick
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.
NSN 6610-01-335-3185
NSN 2925-01-459-8093
NSN 6220-01-253-0380
NSN 5965-01-562-8547
NSN 6220-01-364-8666
NSN 2925-01-592-5578
NSN 6650-01-052-7121
NSN 5998-01-581-4055
NSN 5910-01-030-3793
NSN 5935-01-133-3506
NSN 5960-00-030-5485
NSN 5999-01-463-2598