MS9557-20

Military Standard Machine Bolt

email this to someone  
Description:

Fastener Length: 1-3/8", Thread: 1/4-28, Thread Length: 47/64", MS9557 series bolt

* Manufacturer certifications are shipped with your order FREE of charge
MS9557-20
MS9557-20
MS9557-20
MS9557-20
Add to Cart Up to qty 420 ships same day if ordered before 4pm EST
MS9557-20 Price:
buy now
$5.94 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
Add item to quote  

MS9557-20 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.720 inches minimum and 0.740 inches maximum
Fastener Length:
1.365 inches minimum and 1.385 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.290 inches minimum and 0.310 inches maximum
Width Between Flats:
0.311 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness:
0.050 inches minimum and 0.070 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
0.565 inches minimum and 0.625 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
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
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1-3/8

Additional Information

SKU / Model: MS955720
NSN: 5306-01-056-3506
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.250 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
MS9557-20_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 MS9557-20
MS9557-20
MS9557-20
MS9557-20
MS9557-20

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

Good service, fast response on orders Good prices

5.0

Trisha Hawkins is extremely helpful and answered every question I had thoroughly. I appreciate her great help in a stressful situation to obtain hardware ASAP.

5.0

Have been buying from you for many years and have been very very satisfied.

5.0

Great service and Very fast. Ramona was a great help. Keep up the great work!!

5.0