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 5990-01-054-4255
NSN 5990-00-804-4982
NSN 5905-00-897-2161
NSN 2925-01-443-1748
NSN 6650-01-076-3922
NSN 5905-01-051-0050
NSN 6145-01-037-6260
NSN 6685-00-058-9526
NSN 5835-00-247-0161
NSN 6220-01-128-9598
NSN 5945-01-531-6463
NSN 6685-01-072-1955