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 6610-01-263-1400
NSN 6320-01-029-4220
NSN 5910-00-460-1795
NSN 5905-00-539-5746
NSN 6650-01-272-3727
NSN 6105-00-389-3516
NSN 5975-00-452-1197
NSN 5975-01-093-2469
NSN 6150-01-121-4644
NSN 5910-01-353-2747
NSN 5915-00-075-1086
NSN 5998-01-396-4934