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Recessed Washer
Model A51B21644-15
Quick Information about A51B21644-15
1.750 inches nominal outside diameter, steel overall material, cadmium overall surface treatment.
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Product Details
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NSN:5310-00-004-7046 (5310000047046)
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Hole Diameter:Between 0.514 inches and 0.523 inches
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Overall Height:0.187 inches
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Recess Diameter:Between 0.604 inches and 0.620 inches
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Recess Depth:0.094 inches
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Material Thickness:0.187 inches
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Hardness Rating:Between 46.0 rockwell c and 49.0 rockwell c
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Recess Angle:90.0 degrees
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Part Agency:Navy special project
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Heat Treatment:Quenched and tempered
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Material Specification:Mil-s-8949 military specification single material response
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Style Designator:15 recessed
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Style Designator:Recessed
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Test Document:81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
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Schedule B Code:7318220000
Classification
Washers other than lock washers, iron or steel
Definition Recessed Washer
A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.
Part Identification
Part Materials
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Price Quote
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