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 5935-01-570-3014
NSN 4140-00-191-1236
NSN 6145-00-338-5645
NSN 5965-01-124-6274
NSN 6620-01-406-3584
NSN 5915-01-433-4017
NSN 6620-01-177-1772
NSN 6150-01-408-3160
NSN 6220-01-573-5692
NSN 6620-01-116-3983
NSN 5965-00-630-7872
NSN 6645-01-091-8215