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 6150-00-880-3230
NSN 5996-00-386-2236
NSN 5990-01-430-3152
NSN 5950-01-422-4879
NSN 6620-01-508-1996
NSN 6645-01-463-3441
NSN 6685-01-236-6698
NSN 6130-01-459-9383
NSN 6130-01-197-7397
NSN 5920-00-577-0830
NSN 5965-01-227-4517
NSN 6685-01-614-8086