AN176C21

Aeronautical Standard Bolt

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Description:

Fastener Length: 2-15/64", Thread: 3/8-24, Thread Length: 11/16"

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AN176C21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.609 inches minimum and 0.688 inches maximum
Fastener Length:
2.187 inches minimum and 2.234 inches maximum
Head Style:
Hexagon
Head Height:
0.203 inches minimum and 0.235 inches maximum
Width Between Flats:
0.553 inches minimum and 0.565 inches maximum
Grip Diameter:
0.3737 inches minimum and 0.3742 inches maximum
Shank Unthreaded Hole Diameter:
0.106 inches minimum first hole and 0.116 inches maximum first hole
Thread Diameter:
0.375 inches
Grip Length:
1.546 inches minimum and 1.578 inches maximum
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:
1.984 inches minimum first hole and 2.016 inches maximum first hole
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Steel comp 431 overall
Material Specification:
Mil-s-18732 mil spec single material response overall
Surface Treatment:
Passivate overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 3/8
Thread Qty 24
Material Steel
Length 2-15/64

Additional Information

SKU / Model: AN176C21
NSN: 5306-00-208-2234
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN176C21_Military-Fasteners-com.pdf
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Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

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Always great service. Has been my first go to parts store!

4.0

I recently requested a quote and placed an order with Kristen Belmont. Kristen was incredibly helpful, prompt, and informative, addressing all of my inquiries and requests efficiently. I am extremely grateful to have had Kristen's assistance.

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Great company!! Devin B attention to detail and friendliness made all the difference

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