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Flat Washer
Model MS51496-75
Quick Information about MS51496-75
Steel comp 302 overall or steel comp 304 overall or steel comp 305 overall or steel comp 316 overall or steel comp 321 overall or steel comp 347 overall material, passivate overall surface treatment.
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Product Details
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NSN:5310-01-308-9116 (5310013089116)
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Cross Shape:Rectangular
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Hole Diameter:Between 0.260 inches and 0.270 inches
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Edge Shape:Round
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Center Shape:1 round
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Thickness:Between 0.029 inches and 0.032 inches
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Overall Diameter:Between 0.450 inches and 0.460 inches
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Hardness Rating:20.0 rockwell c
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Material Specification:Qq-s-766 federal specification all material responses
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Surface Specification:Astm a380 assn standard single treatment response
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Schedule B Code:7318220000
Classification
Washers other than lock washers, iron or steel
Definition Flat Washer
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.
Part Identification
Part Materials
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
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