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 5930-01-348-3255
NSN 6685-01-294-1157
NSN 6685-01-510-3339
NSN 5925-00-016-2180
NSN 6645-00-943-9063
NSN 5930-01-205-7089
NSN 6240-01-109-0922
NSN 2925-01-333-6346
NSN 2925-01-394-9658
NSN 5985-01-054-6697
NSN 5895-01-633-3939
NSN 5975-01-411-4728