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 6110-01-582-7169
NSN 5920-01-458-9148
NSN 5920-01-462-4302
NSN 5960-01-009-5983
NSN 5935-01-421-2456
NSN 5975-00-421-5342
NSN 5985-01-576-9997
NSN 5915-01-359-8329
NSN 6105-01-029-3582
NSN 5945-01-544-7640
NSN 6145-01-026-0030
NSN 5945-01-399-5189