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 6220-01-498-2800
NSN 5945-01-149-1160
NSN 6150-00-020-6386
NSN 5998-01-113-7120
NSN 5975-00-015-7919
NSN 6645-01-416-3749
NSN 2925-00-152-1825
NSN 5915-01-155-5386
NSN 6620-01-622-3035
NSN 5999-01-071-5265
NSN 5999-00-060-3344
NSN 5998-00-070-9389