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 5990-00-177-2924
NSN 4140-01-632-6958
NSN 5975-01-207-2309
NSN 6150-01-252-0451
NSN 5985-00-204-0028
NSN 6145-01-388-2642
NSN 2925-00-902-3881
NSN 5905-01-516-8932
NSN 5996-01-456-0488
NSN 6645-00-445-3318
NSN 5920-01-170-3464
NSN 6130-01-389-4002