AN4CH12

Aeronautical Standard Bolt

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Description:

Fastener Length: 1-5/16", Thread: 1/4-28, Thread Length: 1/2"

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AN4CH12 Datasheet Features and Specification

Thread Class:
3a
Thread Length:
0.438 inches minimum and 0.515 inches maximum
Fastener Length:
1.266 inches minimum and 1.312 inches maximum
Head Style:
Hexagon
Head Height:
0.140 inches minimum and 0.172 inches maximum
Width Between Flats:
0.428 inches minimum and 0.440 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Thread Diameter:
0.250 inches
Grip Length:
0.797 inches minimum and 0.828 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
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:
1.109 inches minimum first hole and 1.141 inches maximum first hole
Material:
Steel comp 431 overall
Material Specification:
Mil-s-18732 mil spec single material response overall
Surface Treatment:
Passivate overall
Thread Series Designator:
Unf
Departure From Cited Designator:
One
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-5/16

Additional Information

SKU / Model: AN4CH12
NSN: 5306-00-180-3353
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN4CH12_Military-Fasteners-com.pdf
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Brittany was attentive to our needs. We had to source some other products you didn't have elsewhere. We would have preferred to place an order a one place. Will come back and order another time.

5.0

As expected, fast and accurate service with products at a fair price.

5.0

Military Fasteners always seems to get the order correct and delivered when expected. I this day and age, this is high praise.

5.0

I was working with Kasey and she was very helpful. I received our fasteners very fast.

5.0