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: Articles of aluminum nesoi
NSN 5855-01-519-7929
NSN 5998-01-233-5961
NSN 5990-01-429-6211
NSN 5975-01-533-5801
NSN 5925-01-485-0125
NSN 6645-00-733-0667
NSN 5855-00-361-0167
NSN 5965-01-367-2275
NSN 6650-01-119-0718
NSN 6645-00-220-2458
NSN 5930-00-691-8384
NSN 5910-01-585-1178