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 6135-01-468-6491
NSN 6220-01-619-6109
NSN 5930-00-402-1035
NSN 6645-01-085-2885
NSN 5920-01-150-6870
NSN 5990-01-386-5561
NSN 2925-01-384-4139
NSN 5910-00-150-8653
NSN 2925-01-248-6028
NSN 6135-00-896-3187
NSN 6220-01-625-9473
NSN 5998-01-534-8244