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 6145-01-377-3714
NSN 5965-01-269-1960
NSN 6685-01-587-9057
NSN 2925-00-833-9466
NSN 5855-00-089-3974
NSN 5915-01-095-1151
NSN 5910-01-616-7145
NSN 5996-01-578-2242
NSN 7035-01-146-1578
NSN 6130-01-181-5475
NSN 5945-01-014-6741
NSN 5985-01-488-4432