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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Everything I ordered was delivered quickly, packaged well. In fact, all of my prior orders as well.

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I have been using Military Fasteners and have always had great service. Just this week I realized late in the day that we needed another part and I was able to add it to the order I had placed that morning. Being a small FBO on a shoestring budget that saved shipping cost and potential delays. Thanks Military Fasteners.

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Very pleased with my order. Everything in my order was exactly what I had ordered and the price was fair. Delivered within two days of placing order.

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