NAS1578A4T3

Bolt

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Description:

Fastener Length: 19/32", Thread: 1/4-28, Thread Length: 15/32"

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NAS1578A4T3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.428 inches minimum and 0.478 inches maximum
Fastener Length:
0.575 inches minimum and 0.605 inches maximum
Head Style:
Pan
Head Diameter:
0.477 inches minimum and 0.492 inches maximum
Head Height:
0.140 inches minimum and 0.150 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.177 inches minimum and 0.197 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp 4140 overall or steel comp 4340 overall or steel comp 8740 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-6049 mil spec 3rd material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 19/32

Additional Information

SKU / Model: NAS1578A4T3
NSN: 5305-01-265-4803
FSC: Screws / 5305
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
NAS1578A4T3_Military-Fasteners-com.pdf
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NAS1578A4T7

$5.10 EA, Fastener Length: 27/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1578A4T4

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NAS1578A4T22

Fastener Length: 1-25/32", Thread: 1/4-28, Thread Length: 3/8"

NAS1578A4T20

Fastener Length: 1-21/32", Thread: 1/4-28, Thread Length: 27/64"

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