Not casehardened; 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 6220-00-904-2429
NSN 6685-00-984-6096
NSN 5925-01-516-9779
NSN 5985-01-353-9644
NSN 6320-01-562-1599
NSN 4140-01-025-1555
NSN 5975-01-479-3725
NSN 5985-01-155-9716
NSN 5945-00-212-3955
NSN 5855-00-361-0167
NSN 5925-01-140-2667
NSN 6685-01-449-3970