AN5-31

Aeronautical Standard Machine Bolt

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Description:

length: 3-7/32", grip: 2-11/16", thread: 5/16-24, cadmium plated steel drilled shank"

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AN5-31 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.531 inches minimum
Fastener Length:
3.219 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:
2.688 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:
3.047 inches nominal first hole
Material:
Steel comp 4037 overall or steel comp 4130 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4140 overall
Material Specification:
Mil-b-6812 mil spec all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 3-7/32

Additional Information

SKU / Model: AN531
NSN: 5306-00-151-0912
FSC: Bolts / 5306
Product Series: AN5
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN5-31_Military-Fasteners-com.pdf
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AN5H5A

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AN5H4A

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AN5H34

$6.60 Each, AN5H hex head drilled bolt

AN5H32

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jeremy was a pleasure to work with, informative and knowledgeable about the products. helped me with what i needed to know and how to order it. great customer service.

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The order was complete and arrived by mail in short order. The staff who took my order was very helpful and answered my questions. Very pleased, thanks to military fasteners

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As always, my order was filled accurately and arrived quickly. The one item not in stock in California arrived two days later from another store. Over the years, whether a large order or just a few items,I have received the same quick service. My suggestion? Continue the excellent customer service.

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