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 6150-00-171-3325
NSN 5998-00-721-4701
NSN 6130-01-654-0202
NSN 6220-00-180-8224
NSN 6610-01-229-3679
NSN 6685-00-489-5746
NSN 6620-01-159-4330
NSN 5996-01-386-7421
NSN 6650-01-519-9165
NSN 5835-01-550-5094
NSN 6145-01-307-3636
NSN 5960-01-221-8642