Hole shape: round; shape: round
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.
NSN 6320-00-468-8421
NSN 5945-00-848-9294
NSN 6320-01-170-4068
NSN 6135-01-079-7852
NSN 5855-01-013-6864
NSN 5925-01-282-3111
NSN 5975-01-390-8776
NSN 5895-01-187-8281
NSN 2925-01-154-2949
NSN 5990-01-591-0701
NSN 5935-01-307-4506
NSN 5935-01-104-4313