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: Articles of aluminum nesoi
NSN 6645-00-168-0781
NSN 5985-01-361-7736
NSN 6645-01-497-4873
NSN 6620-01-512-1338
NSN 6610-01-164-0589
NSN 5950-00-084-8171
NSN 5895-01-582-6116
NSN 6240-00-826-4202
NSN 6130-01-484-8607
NSN 6145-01-392-6545
NSN 7035-01-202-8172
NSN 5950-00-092-6341