MS9557-17

Military Standard Machine Bolt

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Description:

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 51/64", MS9557 series bolt

* Manufacturer certifications are shipped with your order FREE of charge
MS9557-17
MS9557-17
MS9557-17
Add to Cart Up to qty 40 ships same day if ordered before 4pm EST
MS9557-17 Price:
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$8.58 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
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MS9557-17 Datasheet Features and Specification

Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
Between 0.060 inches and 0.070 inches
Fastener Length:
1.188 inches
Features Provided:
Finished head
Grip Length:
Between 0.378 inches and 0.438 inches
Hardness Rating:
248.0 brinell standard and 341.0 brinell standard
Head Height:
0.300 inches
Head Style:
Double hexagon w/hole
Material:
Iron alloy 660
Material Specification:
Ams 5731 assn standard single material response
Min. Tensile Strength (psi):
130000 pounds per square inch
Minimum Yield Strength:
85000 pounds per square inch
Thread Diameter:
0.250 inches
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.750 inches and 0.810 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Width Between Flats:
Between 0.305 inches and 0.313 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Iron

Additional Information

SKU / Model: MS955717
NSN: 5306-00-121-7911
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.270 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-17_Military-Fasteners-com.pdf
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Product Image Gallery

Product code MS9557-17
MS9557-17
MS9557-17
MS9557-17

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Military Fasteners is first on my list for the hard to find items so often associated with Government Projects. Brittany and Michael have always been quick to respond and nothing but professional in every way. I look forward to a continued relationship with Military Fasteners.

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Big inventory. Quick response to orders. Good customer service

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Military Fasteners always seems to get the order correct and delivered when expected. I this day and age, this is high praise.

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