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 nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 4140-00-143-4772
NSN 5965-00-318-6482
NSN 2925-01-174-6786
NSN 5960-01-067-9531
NSN 5975-01-562-1530
NSN 5945-00-816-2479
NSN 6105-00-163-1906
NSN 6135-01-306-6549
NSN 5996-01-231-2062
NSN 5945-01-025-9453
NSN 6150-01-212-7110
NSN 5999-01-449-0875