NAS428HK4A20

Bolt

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Description:

Fastener Length: 2-", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 1-61/64"

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NAS428HK4A20 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.954 inches nominal
Fastener Length:
2.000 inches nominal
Head Style:
Crowned hexagon
Head Height:
0.141 inches nominal
Width Between Flats:
0.438 inches nominal
Hole Diameter:
0.046 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
0.031 inches minimum and 0.062 inches maximum
Hole Quantity:
1
Hole Type:
Drilled
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
Hole Configuration Style:
Hexagon flats
Part Name Assigned By Controlling Agency:
Bolt,machine
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:
Qq-p-416,ty 2,cl 3 fed spec single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 2-

Additional Information

SKU / Model: NAS428HK4A20
NSN: 5306-01-530-2657
FSC: Bolts / 5306
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
NAS428HK4A20_Military-Fasteners-com.pdf
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More machine bolts

NAS428HK4A6

Fastener Length: 13/16", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 25/32"

NAS428HK4A5

Fastener Length: 5/8", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 19/32"

NAS428HK4A14

Fastener Length: 1-9/16", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 1-9/16"

NAS428HK4A13

Fastener Length: 1-7/16", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 1-13/32"

NAS428HK4A12

$4.20 EA, Fastener Length: 1-1/4in., Hole Diameter: 1/32in., Thread: 1/4-28, Thread Length: 1-7/32in.

NAS428HK4A11

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

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