Hole shape: round; shape: round
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.
NSN 5975-01-065-7616
NSN 6110-00-185-2021
NSN 5960-00-864-5479
NSN 5985-00-402-1842
NSN 6620-01-197-7083
NSN 5910-00-098-7871
NSN 6105-01-243-3678
NSN 4140-01-011-1019
NSN 6130-00-406-9465
NSN 5945-01-581-3917
NSN 5925-01-014-7991
NSN 5910-01-063-5897