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 5975-01-239-4207
NSN 5985-01-625-8630
NSN 6645-00-535-6634
NSN 7035-00-371-7749
NSN 6220-00-316-2500
NSN 5998-00-522-4005
NSN 6135-01-321-5659
NSN 6240-00-500-1896
NSN 7035-00-731-8729
NSN 5975-01-447-8189
NSN 5965-01-289-5729
NSN 5855-01-462-2628