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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5935-00-273-1649
NSN 6645-01-250-2702
NSN 6685-00-555-4198
NSN 5990-00-518-3195
NSN 4140-01-590-5230
NSN 6610-00-407-4295
NSN 6220-01-186-2529
NSN 6620-01-614-3591
NSN 5950-01-319-8129
NSN 6105-01-102-6643
NSN 5925-00-884-8567
NSN 6320-00-731-6134