MS9557-38

Military Standard Machine Bolt

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Description:

Length: 3-1/4", Thread: 1/4-28, Thread Length: 13/16", MS9557 series bolt

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MS9557-38
MS9557-38
MS9557-38
Add to Cart Up to qty 30 ships same day if ordered before 4pm EST
MS9557-38 Price:
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$15.77 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS9557-38 Datasheet Features and Specification

Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
0.060 inches
Fastener Length:
Between 3.240 inches and 3.260 inches
Features Provided:
Finished head
Grip Length:
Between 2.440 inches and 2.500 inches
Hardness Rating:
24.0 rockwell c and 35.0 rockwell c
Head Height:
0.300 inches
Head Style:
Double hexagon w/hole
Material:
Iron alloy 660
Material Specification:
Ams 5731 assn standard single material response
Min. Tensile Strength (psi):
130000 pounds per square inch
Minimum Yield Strength:
85000 pounds per square inch
Thread Diameter:
0.250 inches
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.740 inches and 0.820 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Width Between Flats:
0.312 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Iron

Additional Information

SKU / Model: MS955738
NSN: 5306-01-010-2293
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.443 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-38_Military-Fasteners-com.pdf
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Product Image Gallery

Product code MS9557-38
MS9557-38
MS9557-38
MS9557-38

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In dealing with Military Fasteners for 3 plus years, I can honestly say Ive never had a bad experience with the company. Please keep up the great work and youll keep me coming back for as long as I am flying.

4.0

Couldn't be better: shipped fast, price was fair, product exactly as expected. Will always order from Military Fasteners going forward.

5.0

I have been using Military Fasteners and have always had great service. Just this week I realized late in the day that we needed another part and I was able to add it to the order I had placed that morning. Being a small FBO on a shoestring budget that saved shipping cost and potential delays. Thanks Military Fasteners.

5.0

I recently had the pleasure of working with Military Fasteners and I couldn't be more satisfied with the experience. Trisha Hawkins provided exceptional customer service and went above and beyond to ensure I found exactly what I needed. The quality of the fasteners is top-notch and the delivery was prompt. I highly recommend Military Fasteners for their outstanding products and excellent service. Thank you, Trisha, for making the process so smooth and efficient!

5.0