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 5935-00-421-5770
NSN 6610-01-029-8749
NSN 5895-00-636-4842
NSN 6150-00-148-6945
NSN 6150-01-433-5587
NSN 6110-01-485-0077
NSN 5998-00-248-2791
NSN 5920-01-212-1536
NSN 5960-00-078-1643
NSN 6610-01-577-5404
NSN 5930-01-459-3505
NSN 6620-00-070-2680