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 5950-00-131-9888
NSN 4140-01-444-1746
NSN 6685-00-383-6712
NSN 5996-00-281-4500
NSN 7035-00-329-4015
NSN 5835-00-897-3123
NSN 5835-00-092-1136
NSN 5910-01-028-0202
NSN 2925-01-320-6512
NSN 5945-01-543-6720
NSN 7035-00-312-3055
NSN 6645-01-528-5220