MS9557-31

Military Standard Machine Bolt

email this to someone  
Description:

Fastener Length: 2-3/8", Thread: 1/4-28, Thread Length: 51/64",

* Manufacturer certifications are shipped with your order FREE of charge
MS9557-31
MS9557-31
MS9557-31
Add to Cart Up to qty 35 ships same day if ordered before 4pm EST
MS9557-31 Price:
buy now
$15.77 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
Add item to quote  

MS9557-31 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.750 inches minimum and 0.810 inches maximum
Fastener Length:
2.375 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:
1.565 inches minimum and 1.625 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 2-3/8

Additional Information

SKU / Model: MS955731
NSN: 5306-00-132-1367
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.198 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-31_Military-Fasteners-com.pdf
Worldwide Shipping In stock and ready to ship!

* report an issue on this page

More MS9557 machine bolts

MS9557-61

Bolt

MS9557-52

Bolt

MS9557-50

Bolt

MS9557-48

Bolt

MS9557-46

Fastener Length: 4-1/4", Thread: 1/4-28, Thread Length: 51/64"

MS9557-45

MS9557-45

Product Image Gallery

Product code MS9557-31
MS9557-31
MS9557-31
MS9557-31

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

Google View our Google profile

I placed the order on a Sat, and on Sun wanted to add something, sent email, got quick response and they added item and got the order in 3 days. AWESOME SERVICE

5.0

Military Fasteners always comes through. Easy ordering, good shipping, well packaged. Thanks!

5.0

I have used Military Fasteners for all my parts for a number of years and have never had a problem with my orders. Fast shipping, correct parts picking and lots of inventory. Thanks for your service.

5.0

Always great with your orders. Ordered 2 tires on a Sunday and they were delivered on Tuesday with free shipping and no tax.

4.0