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 5935-01-212-2007
NSN 5996-01-459-9360
NSN 5990-01-384-9747
NSN 6130-01-423-8338
NSN 6320-00-593-0379
NSN 6620-00-006-6418
NSN 5960-01-170-4057
NSN 6645-00-349-9336
NSN 5930-01-033-7318
NSN 5945-00-923-0411
NSN 5945-01-185-3020
NSN 6240-01-031-6823