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 6130-01-023-8031
NSN 5965-01-313-3845
NSN 6150-01-510-1157
NSN 5950-01-529-7914
NSN 5950-00-751-9738
NSN 5910-01-365-5438
NSN 5910-00-520-6631
NSN 5975-00-458-9145
NSN 5910-00-815-9714
NSN 7035-01-555-8793
NSN 6620-00-546-6071
NSN 6220-01-340-0771