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 6320-00-688-9983
NSN 5925-01-450-1808
NSN 5945-01-347-4196
NSN 5985-01-600-9451
NSN 6645-01-469-2458
NSN 5985-01-514-0741
NSN 6620-01-261-2985
NSN 5855-01-116-8905
NSN 5945-01-203-9002
NSN 6110-00-271-9928
NSN 6685-00-396-0170
NSN 5950-01-108-0599