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 iron or steel not wire nesoi
NSN 6130-00-354-0251
NSN 6620-01-454-5717
NSN 5950-01-578-6669
NSN 6135-01-116-3385
NSN 6110-01-046-0120
NSN 5915-01-312-4184
NSN 6685-01-451-1386
NSN 6220-01-427-2333
NSN 6150-00-554-7591
NSN 5965-00-171-1265
NSN 5925-01-571-1997
NSN 5996-01-294-2679