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 5990-01-213-6319
NSN 5855-01-286-9928
NSN 6645-01-281-7254
NSN 5895-01-418-5067
NSN 5855-01-335-8907
NSN 5910-01-424-0225
NSN 5935-01-579-3121
NSN 5960-01-422-3269
NSN 5985-01-270-0269
NSN 5985-01-452-7531
NSN 5835-01-549-2911
NSN 6110-01-499-7435