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 6645-01-457-8642
NSN 5975-00-967-9877
NSN 5855-01-346-7682
NSN 5895-01-218-5267
NSN 5930-01-617-0765
NSN 6620-00-572-7301
NSN 5920-01-440-8838
NSN 6130-01-406-8360
NSN 5975-00-351-3525
NSN 5985-00-552-0415
NSN 7035-01-403-2841
NSN 2925-01-448-2880