NAS1304-56D

Bolt

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Description:

Fastener Length: 3-15/16", Thread: 1/4-28, Thread Length: 7/16"

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NAS1304-56D Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.400 inches minimum and 0.450 inches maximum
Fastener Length:
3.910 inches minimum and 3.940 inches maximum
Head Style:
Dished hexagon
Head Height:
0.125 inches minimum and 0.140 inches maximum
Width Between Flats:
0.429 inches minimum and 0.439 inches maximum
Grip Diameter:
0.2445 inches minimum and 0.2450 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Thread Diameter:
0.250 inches
Grip Length:
3.490 inches minimum and 3.510 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
Distance From Head Largest Bearing Surface To Shank Hole Center:
3.722 inches minimum first hole and 3.772 inches maximum first hole
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 8740 overall
Material Specification:
Mil-s-5000 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall or ams6322 assn std 2nd 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
Specification Data:
80205-nas6604 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 3-15/16

Additional Information

SKU / Model: NAS130456D
NSN: 5306-01-313-1723
FSC: Bolts / 5306
Product Series: NAS1304
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
NAS1304-56D_Military-Fasteners-com.pdf
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