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 5945-01-022-5254
NSN 4140-01-133-9011
NSN 6645-00-089-8842
NSN 6150-01-645-9219
NSN 6135-01-422-1440
NSN 5835-00-898-0201
NSN 5920-01-300-0425
NSN 6620-01-488-6479
NSN 5930-01-074-3390
NSN 4140-01-177-1445
NSN 6145-00-235-7317
NSN 4140-00-358-5312