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 plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6650-01-434-6434
NSN 2925-01-281-6403
NSN 6685-01-467-5790
NSN 6130-01-599-4096
NSN 7035-01-106-3476
NSN 2925-01-424-0235
NSN 6220-01-604-9488
NSN 5855-00-885-8452
NSN 5905-00-228-0738
NSN 6135-01-369-8146
NSN 5960-01-454-7064
NSN 5835-01-281-7281