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 5990-01-105-5336
NSN 5965-01-255-5581
NSN 6220-00-996-2345
NSN 5835-00-233-6327
NSN 5975-01-248-5862
NSN 5945-00-508-4841
NSN 5990-01-146-1779
NSN 5925-01-305-3088
NSN 6135-01-142-6456
NSN 6240-01-208-9587
NSN 6645-00-163-4624
NSN 5975-01-529-7798