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.
NSN 4140-01-194-2529
NSN 5915-00-300-8481
NSN 5910-00-683-0048
NSN 6610-01-592-4150
NSN 6650-00-356-5228
NSN 5920-01-069-7351
NSN 5999-01-135-6597
NSN 5925-01-644-1288
NSN 5920-01-261-6358
NSN 5990-01-463-5400
NSN 6320-00-115-0883
NSN 5905-01-525-7734