MS9557-46

Military Standard Bolt12

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Description:

Fastener Length: 4-1/4", Thread: 1/4-28, Thread Length: 51/64"

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MS9557-46 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.750 inches minimum and 0.810 inches maximum
Fastener Length:
4.250 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.300 inches nominal
Width Between Flats:
0.348 inches minimum
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
3.440 inches minimum and 3.500 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
248.0 brinell standard minimum overall and 341.0 brinell standard maximum overall
Minimum Yield Strength:
85000 pounds per square inch
Surface Finish:
32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams5731-85 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 4-1/4

Additional Information

SKU / Model: MS955746
NSN: 5306-01-359-4622
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-46_Military-Fasteners-com.pdf
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Fastener Length: 3-1/2", Thread: 1/4-28, Thread Length: 3/4"

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Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

4.0

They did not answer to several requests sent to them

5.0

10/10 service! My go to for all things mil spec hardware. Their customer service team is superb! Trisha had a quote back to us in a matter on minutes. Love working with Military Fasteners

5.0

Great service and lead time. Ships to Canada as well.

5.0