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 5920-00-137-5026
NSN 5910-01-157-3061
NSN 6135-01-653-6113
NSN 6645-01-256-3375
NSN 2925-01-408-9485
NSN 6645-01-356-3105
NSN 2925-00-038-0596
NSN 6105-01-077-1712
NSN 6220-01-600-1647
NSN 5999-01-550-4397
NSN 5990-01-044-8804
NSN 5985-01-292-3415