MS21250-08040

Military Standard Shear Bolt

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Description:

Fastener Length: 3-19/64", Thread: 1/2-20, Thread Length: 51/64

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MS21250-08040 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.768 inches minimum and 0.808 inches maximum
Fastener Length:
3.278 inches minimum and 3.298 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.494 inches minimum and 0.514 inches maximum
Width Between Flats:
0.552 inches minimum and 0.572 inches maximum
Extended Washer Diameter:
0.818 inches minimum and 0.828 inches maximum
Extended Washer Thickness:
0.113 inches minimum and 0.133 inches maximum
Grip Diameter:
0.4985 inches minimum and 0.4995 inches maximum
Thread Diameter:
0.500 inches
Grip Length:
2.490 inches minimum and 2.510 inches maximum
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 8740 overall or steel comp 6150 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
Quick Specs
Thread Size 1/2
Thread Qty 20
Material Steel
Length 3-19/64

Additional Information

SKU / Model: MS2125008040
NSN: 5306-01-158-6241
FSC: Bolts / 5306
Product Series: MS21250
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21250-08040_Military-Fasteners-com.pdf
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MS21250H08062

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Great Delivery time, thanks for your fast response Trisha H

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fantastic customer service. have ordered multiple times for certified hardware. nice website for ordering

5.0

Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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