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 6320-00-731-6134
NSN 4140-01-655-6902
NSN 5915-00-106-3845
NSN 6220-01-016-1776
NSN 5990-01-264-6512
NSN 5855-01-305-3292
NSN 5895-00-418-4639
NSN 6150-00-392-6831
NSN 6320-00-779-5923
NSN 5915-01-025-6169
NSN 5990-00-918-4467
NSN 5999-00-057-5880