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 5905-01-170-6127
NSN 6220-01-501-0846
NSN 5965-00-417-8182
NSN 6620-01-472-6461
NSN 6650-01-068-3997
NSN 2925-01-172-0176
NSN 5960-01-252-8821
NSN 6685-00-467-9876
NSN 6645-01-026-6659
NSN 6110-00-455-2348
NSN 6110-00-705-5863
NSN 5985-01-289-0941