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 6130-01-450-1936
NSN 6645-01-609-7365
NSN 5998-01-470-0345
NSN 5895-00-798-5798
NSN 5996-01-264-8463
NSN 6135-01-583-6344
NSN 6240-00-824-4678
NSN 5960-00-071-4602
NSN 5950-01-058-4166
NSN 6240-01-482-4819
NSN 5945-00-992-9685
NSN 7035-01-318-2464