MS9557-34

Military Standard Machine Bolt

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Description:

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

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MS9557-34
MS9557-34
MS9557-34
Add to Cart Up to qty 30 ships same day if ordered before 4pm EST
MS9557-34 Price:
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$20.46 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS9557-34 Datasheet Features and Specification

Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
0.060 inches
Fastener Length:
2.750 inches
Features Provided:
Finished head
Grip Length:
Between 1.940 inches and 2.000 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 0.750 inches and 0.810 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
Length 2-3/4

Additional Information

SKU / Model: MS955734
NSN: 5306-01-016-2907
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.091 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-34_Military-Fasteners-com.pdf
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Product code MS9557-34
MS9557-34
MS9557-34
MS9557-34

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Awesome customer service !

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I'm a longtime customer very pleased with the scope of your catalog. Sales staff was very helpful.

5.0

As always, doing business with you is a pleasure!!

5.0

Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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