3M963-4L4
Screw
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Description:
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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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