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 6685-01-376-4373
NSN 6685-00-223-9042
NSN 5915-01-448-5314
NSN 6145-01-113-8205
NSN 6620-01-654-9436
NSN 5999-00-862-5157
NSN 6645-00-795-3306
NSN 6240-01-611-3411
NSN 5930-00-295-3859
NSN 6105-00-762-0100
NSN 6240-01-459-6965
NSN 5855-01-346-7682