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 5960-01-310-3863
NSN 2925-00-234-7918
NSN 5835-01-090-0784
NSN 5910-00-754-0444
NSN 5990-01-433-3786
NSN 5930-01-398-1523
NSN 6150-01-200-7616
NSN 5925-00-633-6236
NSN 6105-01-505-9946
NSN 5905-01-065-1663
NSN 5998-00-151-2033
NSN 4140-01-444-4464