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 6645-01-231-7779
NSN 5960-01-614-8005
NSN 5905-01-194-9174
NSN 5965-01-442-9406
NSN 5895-00-598-9603
NSN 4140-00-875-1608
NSN 4140-01-588-6189
NSN 5910-01-246-4138
NSN 5925-01-284-5270
NSN 5910-01-517-1237
NSN 6610-00-670-7803
NSN 5965-01-474-2820