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: Other articles of iron or steel not wire nesoi
NSN 6610-01-229-2280
NSN 6130-00-763-9613
NSN 6110-01-615-0715
NSN 5998-00-421-4840
NSN 5965-01-146-1311
NSN 2925-01-412-9520
NSN 5960-01-170-4057
NSN 2925-00-999-3363
NSN 5905-00-201-7548
NSN 6110-01-162-2436
NSN 5930-01-139-5177
NSN 5985-00-497-3523