3M963-4L4

Screw

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Description:

Fastener Length: 23/32", Thread: 1/4-28, Thread Length: 29/64"

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3M963-4L4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.444 inches minimum and 0.494 inches maximum
Fastener Length:
0.704 inches minimum and 0.734 inches maximum
Head Style:
Oval countersunk
Head Diameter:
0.3898 inches minimum and 0.3948 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.240 inches minimum and 0.260 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp 8740 overall
Material Specification:
Mil-s-6049 mil spec single material response overall
Surface Treatment:
Aluminum overall
Surface Treatment Specification:
Mil-c-83488,type 2 class 3 mil spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 47/64

Additional Information

SKU / Model: 3M9634L4
NSN: 5305-01-210-0795
FSC: Screws / 5305
Product Series: 3M963
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
3M963-4L4_Military-Fasteners-com.pdf
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More 3M963 machine screws

3M963-4L3

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 29/64"

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