AN5-57

Aeronautical Standard Machine Bolt

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Description:

length: 5-31/32", grip: 5-7/16", thread: 5/16-24, cadmium plated steel drilled shank

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AN5-57 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.531 inches minimum
Fastener Length:
5.969 inches nominal
Head Style:
Hexagon
Head Height:
0.172 inches minimum and 0.204 inches maximum
Width Between Flats:
0.490 inches minimum and 0.502 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches nominal first hole
Thread Diameter:
0.312 inches
Grip Length:
5.438 inches nominal
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center:
5.797 inches nominal first hole
Material:
Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall
Material Specification:
Mil-s-5616 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall or mil-s-6050 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6758 mil spec 5th material response overall or mil-s-8695 mil spec 6th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type2,class3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 5-31/32

Additional Information

SKU / Model: AN557
NSN: 5306-00-150-9384
FSC: Bolts / 5306
Product Series: AN5
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN5-57_Military-Fasteners-com.pdf
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