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 6620-01-381-6225
NSN 4140-00-463-6166
NSN 5998-01-040-9402
NSN 5925-01-595-5315
NSN 5855-01-246-4274
NSN 5950-01-441-4706
NSN 5999-01-278-7863
NSN 5985-00-863-3707
NSN 6620-01-068-4498
NSN 5910-01-020-6271
NSN 5996-00-403-7981
NSN 5910-01-551-2090