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 6320-01-212-8749
NSN 6145-01-444-1668
NSN 6135-00-122-2420
NSN 6645-01-239-4619
NSN 5965-00-879-7287
NSN 6135-01-621-9307
NSN 5855-00-055-1579
NSN 6620-00-527-9280
NSN 7035-01-304-4138
NSN 6220-00-271-9553
NSN 6130-01-447-3164
NSN 6320-00-790-4844