Not casehardened; hole shape: round; shape: round
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 5925-01-275-9977
NSN 6650-01-018-1830
NSN 6610-00-273-9019
NSN 5835-01-307-8954
NSN 6240-01-067-1494
NSN 6150-00-522-4909
NSN 6145-01-042-4621
NSN 6105-01-374-4794
NSN 5998-01-190-7026
NSN 5975-01-218-0451
NSN 5915-01-025-1362
NSN 5999-01-330-4240