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.
Classification: Other articles of iron or steel not wire nesoi
NSN 5910-01-613-1806
NSN 6610-00-731-9532
NSN 5965-01-419-8200
NSN 6135-00-377-9165
NSN 6620-01-067-8336
NSN 6645-01-426-8621
NSN 5998-01-531-6732
NSN 6645-01-484-1858
NSN 5985-00-738-6747
NSN 5990-00-406-4991
NSN 5960-00-011-4910
NSN 6135-01-408-0313