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 6130-01-273-4904
NSN 5895-00-833-2525
NSN 2925-01-614-0476
NSN 5925-00-229-8024
NSN 5905-00-268-2535
NSN 6685-00-763-5209
NSN 4140-01-265-0731
NSN 5996-01-588-9526
NSN 6685-00-240-4177
NSN 6645-00-503-1379
NSN 5920-01-398-1855
NSN 6240-01-248-9911