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 4140-00-754-8048
NSN 5945-01-494-0506
NSN 6320-01-506-9439
NSN 6610-01-170-1078
NSN 5920-00-152-4003
NSN 6610-01-469-6235
NSN 5925-01-584-7587
NSN 5945-01-090-0890
NSN 6620-01-157-9267
NSN 6130-01-217-1749
NSN 5998-01-555-7778
NSN 5996-01-304-1088