AN8-21A

Aeronautical Standard Machine Bolt

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Description:

length: 2-7/32", grip: 1-7/16", thread: 1/2-20, cadmium plated steel undrilled shank

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AN8-21A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.781 inches minimum
Fastener Length:
2.219 inches nominal
Head Style:
Hexagon
Head Height:
0.265 inches minimum and 0.297 inches maximum
Width Between Flats:
0.740 inches minimum and 0.752 inches maximum
Thread Diameter:
0.500 inches
Grip Length:
1.438 inches nominal
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
20
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 20
Material Steel
Length 2-7/32

Additional Information

SKU / Model: AN821A
NSN: 5306-00-180-0202
FSC: Bolts / 5306
Product Series: AN8
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN8-21A_Military-Fasteners-com.pdf
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