AN9-21A

Aeronautical Standard Bolt

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Description:

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

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AN9-21A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.906 inches minimum
Fastener Length:
2.281 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
Thread Diameter:
0.562 inches
Grip Length:
1.375 inches nominal
Features Provided:
Finished head
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
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 ty 2 cl 3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/2
Thread Qty 18
Material Steel
Length 2-1/4

Additional Information

SKU / Model: AN921A
NSN: 5306-00-180-1747
FSC: Bolts / 5306
Product Series: AN9
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN9-21A_Military-Fasteners-com.pdf
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AN9-34

$30.00 Ea

AN9-32

$35.94 EA, Fastener Length: 3-3/8in., Thread: 1/2-18, Thread Length: 7/8in.

AN9-30

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

AN9-24A

$33.54 Each, Length: 2-21/32in. grip: 1-3/4in. thread: 9/16-18 cadmium plated steel undrilled shank

AN9-15

Fastener Length: 1-3/4in., Thread: 29/32-18, Grip: 7/8in.

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The products sent allowed the repair to be completed in a timely manner. Thank you for Military Fasteners being there and having parts available to allow our vintage aircraft to continue flight.

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