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 5990-01-285-1868
NSN 6610-01-633-8931
NSN 5965-00-416-6618
NSN 6145-01-435-5700
NSN 2925-00-265-7539
NSN 5905-01-612-8422
NSN 5855-01-341-7320
NSN 6320-01-225-9963
NSN 7035-01-492-9466
NSN 5920-01-500-1880
NSN 5905-00-277-7439
NSN 5965-01-168-3255