Both sides polished
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 4140-01-653-7856
NSN 5930-01-386-5571
NSN 6685-00-326-5969
NSN 5998-01-403-2586
NSN 6685-01-484-0997
NSN 5999-01-328-5885
NSN 4140-01-530-7356
NSN 5935-01-442-7638
NSN 5990-01-144-6994
NSN 6150-01-014-9231
NSN 5905-01-093-2841
NSN 6610-01-352-5500