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 6105-01-105-5054
NSN 2925-01-494-0693
NSN 6130-00-830-9974
NSN 5990-00-786-0702
NSN 5910-01-195-0926
NSN 6145-01-265-0522
NSN 5925-00-446-2464
NSN 7035-00-860-9645
NSN 6645-00-171-9639
NSN 7035-01-350-4247
NSN 5915-00-594-7786
NSN 5975-00-945-9065