Hole shape: round; outside 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 6135-00-050-7189
NSN 5975-01-608-3913
NSN 6150-01-578-1803
NSN 6320-01-422-1212
NSN 5985-00-016-0410
NSN 6105-01-252-4330
NSN 5855-01-158-2709
NSN 5915-01-426-8862
NSN 5996-01-570-4583
NSN 5975-01-207-2309
NSN 6105-01-492-0965
NSN 6240-00-070-3659