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 5835-01-399-5820
NSN 6610-00-827-4385
NSN 5990-01-211-6136
NSN 5975-01-300-3139
NSN 6150-00-789-7347
NSN 5895-01-454-9909
NSN 6135-01-277-3345
NSN 5835-01-387-4227
NSN 5945-01-186-1350
NSN 5835-01-152-9483
NSN 6650-01-596-3297
NSN 6320-01-329-8380