MS9557-09

Military Standard Machine Bolt

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Description:

length: 11/16", thread: 1/4-28, machine bolt, extended washer head, corrosion and heat resistant steel

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MS9557-09
MS9557-09
MS9557-09
Add to Cart Up to qty 80 ships same day if ordered before 4pm EST
MS9557-09 Price:
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$3.54 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
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MS9557-09 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.579 inches minimum and 0.619 inches maximum
Fastener Length:
0.678 inches minimum and 0.698 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.290 inches minimum and 0.310 inches maximum
Width Between Flats:
0.312 inches nominal
Extended Washer Diameter:
0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness:
0.060 inches minimum
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:
24.0 rockwell c minimum overall and 35.0 rockwell c 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:
Ams5731 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 11/16

Additional Information

SKU / Model: MS955709
NSN: 5306-01-239-2403
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.171 lb
Minimum Qty (MOQ): 10
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-09_Military-Fasteners-com.pdf
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Product code MS9557-09
MS9557-09
MS9557-09
MS9557-09

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I have experienced 5-star customer service from Isaac Beltran at Military Fasteners. He is a true professional who goes out on a limb to help out his customers. I always check with Isaac when I need help with finding those hard to find items". Thank you again Isaac for your support!"

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I have always been satisfied with the service that I have received from Military Fasteners. Even when I have had a technical question and have not made a purchase. Please keep up the good work. thanks

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Great Customer Service very helpful...Packaged arrived almost the next day. How did you do that. Thank you again. will be doing business with you again soon !!!

5.0

I sent in my online order then within a minute I realized I left off an item. I sent a message that requested an item be added to avoid a second shipping cost. I received a reply the next morning that the item I wanted had been added successfully and my order would be delivered as promised. Thanks to your staff for the flexibility and the help with my online order.

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