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 5930-00-218-1031
NSN 5975-01-332-5259
NSN 6645-01-535-7136
NSN 5990-00-905-9556
NSN 4140-01-297-8324
NSN 6610-01-612-0157
NSN 6240-00-906-6116
NSN 5975-00-256-5121
NSN 5990-01-421-5342
NSN 5935-01-065-1237
NSN 6610-00-835-0248
NSN 6645-00-456-2923