MS21250-09056

Military Standard Bolt

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Description:

Fastener Length: 4-", Thread: 1/2-18, Thread Length: 27/32"

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MS21250-09056 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.852 inches minimum
Fastener Length:
4.372 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.557 inches nominal
Width Between Flats:
0.616 inches minimum and 0.627 inches maximum
Extended Washer Diameter:
0.928 inches minimum and 0.938 inches maximum
Extended Washer Thickness:
0.133 inches nominal
Grip Diameter:
0.5605 inches minimum and 0.5615 inches maximum
Thread Diameter:
0.562 inches
Grip Length:
3.500 inches nominal
Thready Qty Per Inch (tpi):
18
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Material:
Steel comp e4340 overall or steel comp 4340 overall or steel comp 8740 overall or steel comp 6150 overall or steel comp 4140 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/2
Thread Qty 18
Material Steel
Length 4-

Additional Information

SKU / Model: MS2125009056
NSN: 5306-00-955-8690
FSC: Bolts / 5306
Product Series: MS21250
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21250-09056_Military-Fasteners-com.pdf
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MS21250H08062

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Customer Reviews

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I called in a hot order that was needed next day. It was already mid afternoon and i had already skipped the deadline for shipments that day. I spoke with Trisha, and she went out of her way to place my order and get it pulled and shipped same day. Thank you Trisha, you are the best.

5.0

Trisha Hawkins and her team at Military Fasteners are absolutely incredible. We do a lot of Government and Military work and due to this there are a ton of restrictions with what products we can use. I called Military Fasteners (MF) with an extremely HOT request. Trisha was able to source those part numbers, tell me they were in stock and ready to ship. I ordered these on a Wednesday at 4:00pm. They shipped the same exact Wednesday, we received that weeks Friday, even though we were guaranteed Monday/Tuesday. Trisha - THANK YOU! Trisha's Team - THANK YOU! I will only be ordering my military hardware from you all.

5.0

Parts were described exactly as received. Delivered exactly as promised. I was treated better than could have been expected. Give a 5.5 stars out of 5.

5.0

I have always been satisfied with the service that I have received from Military Fasteners. Even when I have had a technical question and have not made a purchase. Please keep up the good work. thanks

5.0