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 6135-00-911-9321
NSN 5930-01-271-6703
NSN 6130-01-478-4217
NSN 5985-01-116-4529
NSN 6320-00-371-8335
NSN 5915-00-505-7193
NSN 5895-01-228-2996
NSN 5950-01-227-2466
NSN 5835-01-584-4408
NSN 5950-00-828-6730
NSN 6135-00-078-9931
NSN 6620-01-070-9042