NAS4705D21

Bolt

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Description:

Fastener Length: 1-3/4", Thread: 1/4-24, Thread Length: 3/8"

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NAS4705D21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.437 inches nominal
Fastener Length:
1.735 inches minimum and 1.765 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.510 inches minimum and 0.564 inches maximum
Grip Diameter:
0.3735 inches minimum and 0.3745 inches maximum
Shank Unthreaded Hole Diameter:
0.070 inches maximum first hole and 0.080 inches maximum first hole
Internal Drive Style:
Tri-wing recess
Thread Diameter:
0.312 inches
Grip Length:
1.302 inches minimum and 1.322 inches maximum
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.573 inches minimum first hole and 1.593 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 ams 6322 assn std single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas4705 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 1-3/4

Additional Information

SKU / Model: NAS4705D21
NSN: 5305-01-456-0785
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS4705D21_Military-Fasteners-com.pdf
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