MS51975-9

Military Standard Screw

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Description:

Fastener Length: 1-3/64", Thread: 1/4-20, Head Width: 5/32", Thread Length: 27/64"

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MS51975-9 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.418 inches minimum and 0.438 inches maximum
Fastener Length:
1.048 inches minimum and 1.058 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.419 inches minimum and 0.437 inches maximum
Head Height:
0.209 inches minimum and 0.219 inches maximum
Shoulder Diameter:
0.308 inches minimum first shoulder and 0.310 inches maximum first shoulder
Shoulder Length:
0.620 inches minimum first shoulder and 0.630 inches maximum first shoulder
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.156 inches nominal
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
140000 pounds per square inch
Hardness Rating:
32.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Shoulder Shape:
Round first shoulder
Material:
Steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator:
Unc
Quick Specs
Thread Size 1/4
Thread Qty 20
Material Steel
Length 1-3/64

Additional Information

SKU / Model: MS519759
NSN: 5305-00-949-6185
FSC: Screws / 5305
Product Series: MS51975
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51975-9_Military-Fasteners-com.pdf
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More MS51975 machine screws

MS51975-9-SN/ZN

Screw

MS51975-8

$10.20 EA, Fastener Length: 59/64in., Thread: 1/4-20, Head Width: 5/32in., Thread Length: 27/64in.

MS51975-59

Fastener Length: 3-55/64", Thread: 5/8-11, Head Width: 3/8", Thread Length: 55/64"

MS51975-47

$84.00 Ea

MS51975-32

Fastener Length: 2-11/32in., Thread: 3/8-16, Head Width: 1/4in., Thread Length: 39/64in.

MS51975-31

$16.20 Ea

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Great service! All items were correct, in good order and packaged well. Always nice to have this portion of an airplane project go smoothly. Thank you.

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I have been purchasing from Military Fasteners for 2 years! My go-to place!

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Thanks for being there for us small plane owners. It has never been cheap to own a plane but as our planes age it is getting harder and harder to find parts for upkeep. Good fast service also.

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Trisha Hawkins over at Military Fasteners was friendly, speedy and very helpful for me as a buyer!

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