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 6645-01-277-5973
NSN 7035-01-485-1628
NSN 6685-01-360-5202
NSN 5930-00-539-0764
NSN 5960-01-112-8273
NSN 5950-01-106-4425
NSN 6620-01-577-6285
NSN 6645-01-378-8907
NSN 6645-01-507-2887
NSN 6110-01-514-1778
NSN 5975-01-140-3081
NSN 5905-01-634-0595