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 4140-01-188-0111
NSN 6220-01-464-8928
NSN 5996-00-067-7624
NSN 5965-01-215-0993
NSN 6620-00-898-2744
NSN 6685-01-170-5651
NSN 6105-01-412-4584
NSN 5920-01-116-4236
NSN 5950-00-281-2389
NSN 6645-01-063-8243
NSN 5950-01-197-5916
NSN 5985-00-542-7273