MS9557-40

Military Standard Bolt

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Description:

Fastener Length: 3-1/2", Thread: 1/4-28, Thread Length: 3/4"

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MS9557-40 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.750 inches nominal
Fastener Length:
3.500 inches nominal
Head Style:
Double hexagon extended washer
Head Height:
0.300 inches nominal
Width Between Flats:
0.312 inches nominal
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches nominal
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731-85 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 3-1/2

Additional Information

SKU / Model: MS955740
NSN: 5306-01-483-9353
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
MS9557-40_Military-Fasteners-com.pdf
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I worked with Isaac Beltran and he did a great job and rare to find.....someone with attention to detail.

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Fantastic service. Part ordered Monday. Received Wednesday Though customs etc and across America the North Atlantic then UK. Amazing well done and thanks.

5.0

So fast deliver to S.Korea. Thanks for your support!

5.0

Thanks Military Fasteners, you folks continue to be the best in filling orders and getting them out quickly. You are my go to source for all things aviation.

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