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 6650-00-137-2599
NSN 6610-01-232-4802
NSN 5965-00-097-9654
NSN 5930-01-456-0818
NSN 6130-00-452-9464
NSN 7035-01-104-4349
NSN 5999-01-475-2509
NSN 5915-01-398-0489
NSN 2925-00-728-8118
NSN 5960-01-408-3702
NSN 6130-01-068-4475
NSN 5905-01-650-6922