Bearing surfaces must be flat and parallel within 0.0002 in. Tir
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 6105-00-471-5545
NSN 6135-01-077-5705
NSN 2925-01-025-0082
NSN 5935-01-323-4642
NSN 5998-01-555-1478
NSN 5930-00-056-5039
NSN 6650-01-386-6278
NSN 4140-01-195-2070
NSN 6685-01-307-3325
NSN 6650-00-981-9501
NSN 6220-01-651-4946
NSN 5930-00-148-9247