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 5925-00-081-9135
NSN 5950-01-470-0360
NSN 5975-01-161-9256
NSN 6135-00-334-4500
NSN 5905-01-039-9713
NSN 5895-01-008-1375
NSN 6645-01-361-2829
NSN 5998-01-472-2825
NSN 6220-01-327-3272
NSN 5945-01-209-0640
NSN 5925-01-608-1522
NSN 6130-01-219-5758