MS9558-21

Military Standard Machine Bolt

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Description:

Fastener Length: 1-1/2", Thread: 5/16-24, Thread Length: 7/8", MS9558 series bolt

* Manufacturer certifications are shipped with your order FREE of charge
MS9558-21
MS9558-21
MS9558-21
MS9558-21
MS9558-21
MS9558-21
Add to Cart Up to qty 60 ships same day if ordered before 4pm EST
MS9558-21 Price:
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$28.97 Each
Quantity:
Pre-packaged bag qty: 1 ea
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MS9558-21 Datasheet Features and Specification

Width Between Flats:
0.375 inches
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Thread Qty Per Inch (tpi):
24
Thread Length:
7/8 inch
Thread Direction:
Right-hand
Thread Diameter:
0.312 inches
Thread Class:
3a
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches surface of head
Surface Finish:
32.0 microinches threads
Minimum Yield Strength:
85000 pounds per square inch
Min. Tensile Strength (psi):
130000 pounds per square inch
Material Specification:
Ams 5731 assn standard single material response
Material:
Iron alloy 660
Head Style:
Double hexagon with hole
Head Height:
0.348 inches
Grip Length:
Between 0.628 inches and 0.688 inches
Hardness Rating:
24.0 rockwell c and 35.0 rockwell c
Fastener Length:
1-1/2 inch
Features Provided:
Finished head
Extended Washer Thickness:
0.07 inches
Extended Washer Diameter:
1/2 inch
Quick Specs
Thread Size 5/16
Thread Qty 24
Thread Length 7/8
Thread Series UNJF
Thread Class 3A
Material Iron
Length 1-1/2

Additional Information

SKU / Model: MS955821
NSN: 5306-01-078-7240
FSC: Bolts / 5306
Product Series: MS9558
Pack Weight (Approx.) 0.050 lb
Minimum Qty (MOQ): 1
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9558-21_Military-Fasteners-com.pdf
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More MS9558 machine bolts

MS9558-34

Fastener Length: 2-63/64", Thread: 5/16-24, Thread Length: 0-63/64"

MS9558-32

$11.94 EA, Fastener Length: 2-3/4in., Thread: 1/4-24, Thread Length: 59/64in.

MS9558-27

Fastener Length: 2-1/8in., Thread: 1/4-24, Thread Length: 59/64in.

MS9558-26

MS9558-26 Machine Bolt

MS9558-24

Fastener Length: 1-3/4", Thread: 1/4-24, Thread Length: 59/64"

MS9558-20

$14.34 EA, Fastener Length: 1-1/2in., Thread: 1/4-24, Thread Length: 59/64in.

Product Image Gallery

Product code MS9558-21
MS9558-21
MS9558-21
MS9558-21
MS9558-21
MS9558-21
MS9558-21

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I called in a hot order that was needed next day. It was already mid afternoon and i had already skipped the deadline for shipments that day. I spoke with Trisha, and she went out of her way to place my order and get it pulled and shipped same day. Thank you Trisha, you are the best.

5.0

Even though we weren't a customer yet, Paige was very fast to reply and attentive to our requests. Thanks for the great service!

5.0

My company works directly with Military Fasteners, and we have had nothing but positive experiences. Trisha Hawkins, in particular, has been our primary contact. She always responds quickly and works to make sure the order is correct and shipped on time. Military Fasteners is a trusted vendor of ours and we look forward to working with them again in the future!

5.0

Great performance. Goods received as ordered - as it should be, so I am happy. Cheers

5.0