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 5925-01-530-9122
NSN 6620-00-221-7526
NSN 5965-01-643-5191
NSN 5975-00-833-0445
NSN 5960-01-219-5504
NSN 5998-01-338-3508
NSN 5996-01-091-4836
NSN 5905-00-562-9611
NSN 5965-01-258-5662
NSN 6685-01-401-5360
NSN 6220-01-297-3218
NSN 6650-00-266-6808