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 5985-00-397-0389
NSN 5855-00-688-9954
NSN 7035-01-507-7309
NSN 5920-00-397-0802
NSN 6650-01-279-0658
NSN 6645-00-242-0480
NSN 2925-01-589-9136
NSN 4140-01-277-2548
NSN 5950-00-888-5333
NSN 6130-01-411-6089
NSN 5960-01-144-5502
NSN 5975-01-271-4682