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 5855-00-688-9954
NSN 5925-00-554-4114
NSN 6135-00-891-4944
NSN 5960-00-529-2704
NSN 5910-00-835-7918
NSN 5920-01-316-6504
NSN 5910-01-147-2345
NSN 6220-01-320-6938
NSN 5895-01-219-3315
NSN 5996-01-521-2458
NSN 5975-00-312-1410
NSN 2925-01-215-5022