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 5960-00-801-5578
NSN 6620-01-199-8580
NSN 5996-01-275-7064
NSN 5960-00-539-2253
NSN 6650-01-116-9731
NSN 5990-01-123-4226
NSN 5895-00-832-5747
NSN 5998-00-111-3180
NSN 5925-01-473-1924
NSN 5990-00-964-9672
NSN 5998-01-146-4211
NSN 5925-01-143-3086