AN179-42

Aeronautical Standard Machine Bolt

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Description:

Fastener Length: 4-3/8", Thread: 1/2-18, Thread Length: 7/8

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AN179-42 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.906 inches minimum
Fastener Length:
4.406 inches nominal
Head Style:
Hexagon
Head Height:
0.296 inches minimum and 0.328 inches maximum
Width Between Flats:
0.865 inches minimum and 0.877 inches maximum
Grip Diameter:
0.5611 inches minimum and 0.5616 inches maximum
Shank Unthreaded Hole Diameter:
0.141 inches nominal first hole
Thread Diameter:
0.562 inches
Grip Length:
3.500 inches nominal
Thready Qty Per Inch (tpi):
18
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:
4.156 inches nominal first hole
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4140 overall or steel comp 4130 overall or steel comp 4037 overall
Material Specification:
Mil-s-6049 mil spec 1st material response overall or mil-s-6050 mil spec 2nd material response overall or mil-s-6098 mil spec 3rd material response overall or mil-s-5626 mil spec 4th material response overall or mil-s-6758 mil spec 5th material response overall or ams 6300 assn std 6th material response 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 1/2
Thread Qty 18
Material Steel
Length 4-3/8

Additional Information

SKU / Model: AN17942
NSN: 5306-00-180-0407
FSC: Bolts / 5306
Product Series: AN179
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN179-42_Military-Fasteners-com.pdf
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More AN179 machine bolts

AN179-33

Fastener Length: 3-1/2", Thread: 1/2-18, Thread Length: 7/8"

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Everything exactly as ordered! Quick and reasonable cost of shipping. Thanks for the XLNT service.

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Very pleased with the customer service I get when I call. My Cessna 182 is always needing a little bit of extra LOVE from Military Fasteners. When I call to order parts, your training and customer service of your order takers are the tops.. They understand what I'm looking for and can help me figure out how to order it. I've upgraded my old normal headsets to your reconditioned Bose X General Aviation Noise Cancelling. These are my first Noise Cancelling headsets and we are very pleased...I've come back and purchased 2 more...You are a very professional group! With your shipping location in Atlanta, sometimes, I get things in 1 day or 2 at the most. Thanks.

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