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 6110-01-555-7446
NSN 5895-01-440-8722
NSN 5905-01-421-2691
NSN 5975-00-167-4898
NSN 5905-00-998-2943
NSN 6145-01-108-8240
NSN 6135-00-269-5843
NSN 6135-01-547-6822
NSN 5999-01-506-5737
NSN 5960-00-907-9161
NSN 6650-01-037-9755
NSN 5905-01-085-5718