MS21289-24

Military Standard Bolt

email this to someone  
Description:

Fastener Length: 1-5/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

MS21289-24 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.740 inches minimum and 0.820 inches maximum
Fastener Length:
1.615 inches minimum and 1.635 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.320 inches minimum and 0.340 inches maximum
Width Between Flats:
0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Hole Diameter:
0.070 inches nominal
Thread Diameter:
0.250 inches
Hole Quantity:
4
Hole Type:
Drilled
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 28.0 rockwell c maximum overall
Minimum Yield Strength:
85000 pounds per square inch
Hole Configuration Style:
Double hexagon longitudinal hole
Surface Finish:
32.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Iron alloy 660 overall
Material Specification:
Ams5732 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1-5/8

Additional Information

SKU / Model: MS2128924
NSN: 5306-00-357-2073
FSC: Bolts / 5306
Product Series: MS21289
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21289-24_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More MS21289 machine bolts

MS21289-27

Fastener Length: 1-7/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-23

Fastener Length: 1-9/16", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-12

Fastener Length: 7/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/4"

MS21289-10

Fastener Length: 3/4", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 11/16"

MS21289-08

$8.70 EA, Fastener Length: 5/8in., Hole Diameter: 5/64in., Thread: 1/4-28, Thread Length: 9/16in.

MS21289-05

Fastener Length: 7/16in., Hole Diameter: 1/16in., Thread: 1/4-28, Thread Length: 7/16in.

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 have been a regular customer of military fasteners since 2018. I have always been satisfied with my purchases and quality of product.

5.0

Lots of items and great pricing. Makes shopping for parts so much easier to get everything at the best pricing in one place. You have made my job a whole lot easier!

4.0

Fast and as ordered. Always easy via the website.

5.0

Thank you for your excellent customer service! I made an error on the address and your team got everything straightened out in no time! The product is just what I needed! I look forward to doing business with you in the future! Thanks, again!!

5.0