20-057-5-19D
Machine Bolt
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Description:
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Fastener Length: 1-21/32", Thread: 1/4-24, Thread Length: 15/32", 20-057 series bolt
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20-057-5-19D Datasheet Features and Specification
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.469 inches minimum
Fastener Length:
1.657 inches nominal
Head Style:
Dished hexagon
Head Height:
0.156 inches nominal
Width Between Flats:
0.492 inches minimum and 0.502 inches maximum
Grip Diameter:
0.3110 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches nominal first hole
Single Shear Strength:
96000 pounds per square inch
Thread Diameter:
0.312 inches
Grip Length:
1.188 inches nominal
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
34.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.476 inches nominal first hole
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-8503 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6049 mil spec 5th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
| Thread Size | 1/4 |
| Thread Qty | 24 |
| Material | Steel |
| Length | 1-21/32 |
Additional Information
Alternate Part Numbers
| SKU / Model: | 20057519D |
| NSN: | 5306-00-978-8063 |
| FSC: | Bolts / 5306 |
| Product Series: | 20-057- |
| Pack Weight (Approx.) | 0.217 lb |
| Minimum Qty (MOQ): | 5 |
| Schedule B: | 7318.15.8085 |
| ECCN: | EAR99 |
| National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
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Download PDF Version 20-057-5-19D_Military-Fasteners-com.pdf |
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Product code 20-057-5-19D
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