NK4-13A

Bolt

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Description:

Fastener Length: 1-7/16", Thread: 1/4-28, Thread Length: 1/2"

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NK4-13A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.436 inches minimum and 0.515 inches maximum
Fastener Length:
1.390 inches minimum and 1.437 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
Locking Feature:
Pellet threads
Thread Diameter:
0.250 inches
Grip Length:
0.922 inches minimum and 0.954 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
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 1/4
Thread Qty 28
Material Steel
Length 1-7/16

Additional Information

SKU / Model: NK413A
NSN: 5306-00-117-9897
FSC: Bolts / 5306
Product Series: NK4
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
NK4-13A_Military-Fasteners-com.pdf
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NK4-11A

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 1/2"

NK4-10A

Fastener Length: 1-1/16", Thread: 1/4-28, Thread Length: 33/64"

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