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 6645-01-064-3711
NSN 6645-00-933-2170
NSN 5930-01-130-6042
NSN 5950-00-313-9509
NSN 5965-01-097-4867
NSN 6145-01-306-7940
NSN 5990-01-294-6198
NSN 5910-00-051-5556
NSN 5910-01-286-2803
NSN 5965-01-298-6313
NSN 5975-00-200-2002
NSN 5855-00-055-1579