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 5915-01-492-6600
NSN 6135-01-173-6306
NSN 6145-00-308-7189
NSN 6130-00-883-3414
NSN 5996-00-077-3220
NSN 5975-00-969-9045
NSN 5950-01-190-8109
NSN 6645-00-961-5477
NSN 6320-00-519-0770
NSN 5925-01-367-2519
NSN 6220-01-081-0593
NSN 5930-00-597-2987