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 5835-01-284-5689
NSN 6645-00-339-0318
NSN 5905-00-172-3490
NSN 5996-01-644-9864
NSN 2925-01-295-9337
NSN 6610-01-441-8364
NSN 5910-01-072-9750
NSN 6135-01-176-2206
NSN 6145-00-242-0569
NSN 6240-00-402-4481
NSN 5996-01-175-2200
NSN 5965-01-564-5573