NAS428-5-40

Bolt

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Description:

Fastener Length: 4-", Thread: 1/4-24, Thread Length: 3-31/32"

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NAS428-5-40 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
3.938 inches minimum and 3.969 inches maximum
Fastener Length:
4.000 inches nominal
Head Style:
Crowned hexagon
Head Height:
0.172 inches nominal
Width Between Flats:
0.500 inches nominal
Thread Diameter:
0.312 inches
Grip Length:
0.031 inches minimum and 0.062 inches maximum
Features Provided:
Finished head
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
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 24
Material Steel
Length 4-

Additional Information

SKU / Model: NAS428540
NSN: 5306-00-680-5133
FSC: Bolts / 5306
Product Series: NAS428
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS428-5-40_Military-Fasteners-com.pdf
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NAS428K5-16

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NAS428K4A7

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 15/16"

NAS428K4A6

Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 23/32"

NAS428K4A12

Fastener Length: 1-1/4in., Thread: 1/4-28, Thread Length: 1-7/32in.

NAS428K4A11

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 0-63/64"

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