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 5975-01-359-1590
NSN 6105-00-675-0525
NSN 6135-01-216-7170
NSN 6220-01-621-6418
NSN 6145-00-669-6795
NSN 6220-00-998-0192
NSN 4140-01-510-7940
NSN 5960-01-433-7565
NSN 6150-01-152-1356
NSN 6220-00-512-9472
NSN 5999-01-433-1050
NSN 6320-01-425-1417