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 2925-01-539-4486
NSN 5960-01-048-8228
NSN 6240-01-346-5550
NSN 4140-01-618-6417
NSN 5998-00-560-2302
NSN 6645-01-422-5686
NSN 5855-01-315-6180
NSN 6645-00-269-2764
NSN 5935-01-226-0873
NSN 5975-01-360-6175
NSN 5999-00-215-7295
NSN 5905-01-505-6411