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: Other articles of iron or steel not wire nesoi
NSN 6645-00-421-5287
NSN 5910-01-627-2533
NSN 5945-00-553-9963
NSN 6645-00-459-3313
NSN 5920-00-705-2916
NSN 5950-01-451-4538
NSN 5910-01-340-6217
NSN 6685-01-359-9989
NSN 5945-01-312-6596
NSN 5996-00-420-1408
NSN 5960-00-343-2888
NSN 5895-00-505-3749