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 6145-01-154-0989
NSN 5920-01-236-6780
NSN 5915-01-207-0013
NSN 6320-01-377-5701
NSN 5945-01-423-1009
NSN 5910-01-536-5581
NSN 5925-00-064-3031
NSN 5985-01-541-4797
NSN 6150-01-561-6811
NSN 6685-00-148-8383
NSN 5920-01-574-1689
NSN 5960-01-056-4982