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 4140-01-014-3454
NSN 6220-00-292-6775
NSN 5925-01-371-8766
NSN 5960-01-367-6153
NSN 6240-00-421-1862
NSN 2925-01-327-3069
NSN 6620-01-300-2631
NSN 6685-01-448-8927
NSN 6240-01-447-4003
NSN 5905-00-906-1131
NSN 6105-01-232-5262
NSN 4140-01-304-5882