Country of Origin
United States
Shipping Weight
0.005 pounds
Manufacturer P/N
NAS6604D20
Schedule B Code
7318.15.2000
Thread Class: 3A Thread Direction: Right-Hand Thread Length: 0.400 Inches Minimum And 0.450 Inches Maximum Fastener Length: 1.660 Inches Minimum And 1.690 Inches Maximum Head Style: Dished Hexagon Head Height: 0.125 Inches Minimum And 0.140 Inches Maximum Width Between Flats: 0.429 Inches Minimum And 0.439 Inches Maximum Grip Diameter: 0.2485 Inches Minimum And 0.2495 Inches Maximum Shank Unthreaded Hole Diameter: 0.076 Inches Minimum First Hole And 0.086 Inches Maximum First Hole Nominal Thread Diameter: 0.250 Inches Grip Length: 1.240 Inches Minimum And 1.260 Inches Maximum Thread Quantity Per Inch: 28 Minimum Tensile Strength: 160000 Pounds Per Square Inch Hardness Rating: 36.0 Rockwell C Minimum Overall And 40.0 Rockwell C Maximum Overall Distance From Head Largest Bearing Surface To Shank Hole Center: 1.482 Inches Minimum First Hole And 1.512 Inches Maximum First Hole Surface Finish: 32.0 Microinches Bearing Surface Of Head Surface Finish: 32.0 Microinches Grip Surface Finish: 32.0 Microinches Threads Material: Steel Comp E4340 Overall Or Steel Comp 8740 Overall Material Document And Classification: Mil-S-5000 Mil Spec 1St Material Response Overall Or Mil-S-6049 Mil Spec 2Nd Material Response Overall Or Ams 6322 Mil Spec 2Nd Material Response Overall Surface Treatment: Cadmium Overall And Chromate Overall Surface Treatment Document And Classification: Qq-P-416,Ty 2 Cl 2 Fed Spec Single Treatment Response Overall Thread Series Designator: Unjf Specification/Standard Data: 80205-Nas6604 Professional/Industrial Association Standard
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