MS9557-06

Military Standard Machine Bolt

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Description:

Fastener Length: 1/2", Thread: 1/4-28, Thread Length: 13/32", MS9557 series bolt

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MS9557-06
MS9557-06
MS9557-06
Add to Cart Up to qty 280 ships same day if ordered before 4pm EST
MS9557-06 Price:
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$2.71 Each
Quantity:
Pre-packaged bag qty: 20 ea
* Sold in increments of 20
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MS9557-06 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.401 inches minimum and 0.421 inches maximum
Fastener Length:
0.500 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.300 inches nominal
Width Between Flats:
0.305 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
0.079 inches minimum and 0.099 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 head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1/2

Additional Information

SKU / Model: MS955706
NSN: 5306-00-121-2671
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.288 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.2095
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-06_Military-Fasteners-com.pdf
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Product Image Gallery

Product code MS9557-06
MS9557-06
MS9557-06
MS9557-06

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I have been doing business with Military Fasteners for a number of years. Every Time I have needed a question answered in finding something for my projects Military Fasteners has always been there. The people I talk to are helpful and knowledgeable concerning all the vintage planes I have called looking for a special item needed. Thank you for being YOU!

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Jasmine is great! Very kind and helpful. My parts came in EARLY and shipped the same day I ordered!

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Discovered on Wednesday evening I needed a new tire / tube. I had it in my hands Friday in time for a weekend install. Great service!!

5.0

Great Vendor. They worked with us, A+, 100%! Will do business in future. :)

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