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 6620-00-905-6590
NSN 6650-01-197-4585
NSN 5996-01-106-8903
NSN 5975-01-345-1243
NSN 5930-01-457-8897
NSN 5945-01-366-2992
NSN 5965-01-628-7623
NSN 5905-01-406-4323
NSN 6610-01-554-1854
NSN 6650-01-633-9147
NSN 6220-01-247-0086
NSN 6610-01-420-9111