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 5910-01-303-6571
NSN 5925-01-150-6502
NSN 5996-01-105-7385
NSN 7035-01-469-5854
NSN 6105-00-473-2314
NSN 4140-01-089-9724
NSN 5930-01-447-3801
NSN 5950-01-559-0494
NSN 5975-01-557-7172
NSN 5930-01-209-2991
NSN 4140-00-249-5603
NSN 5950-00-230-1626