MS9557-25

Military Standard Machine Bolt

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Description:

Fastener Length: 1-3/4", Thread: 1/4-28, Thread Length: 51/64", MS9557 series bolt

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MS9557-25
MS9557-25
MS9557-25
Add to Cart Backordered: Ships in 2-3 Days
MS9557-25 Price: $17.94 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS9557-25 Datasheet Features and Specification

Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
Between 0.060 inches and 0.070 inches
Fastener Length:
1.750 inches
Features Provided:
Finished head
Grip Length:
Between 0.940 inches and 1.000 inches
Hardness Rating:
248.0 brinell standard and 341.0 brinell standard
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:
Between 0.305 inches and 0.313 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Iron
Length 1-3/4

Additional Information

SKU / Model: MS955725
NSN: 5306-00-124-3023
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.472 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-25_Military-Fasteners-com.pdf
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Fastener Length: 4-1/4", Thread: 1/4-28, Thread Length: 51/64"

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Product Image Gallery

Product code MS9557-25
MS9557-25
MS9557-25
MS9557-25

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Love working with this company. Customer service is always so kind and helpful.

5.0

Youre team did an excellent job as usual. The sheet metal and grommets arrived in excellent condition and were very well priced which I appreciate. Thanks again. Doug

4.0

Exceptional service as always. Part was as advertised, and came promptly, in perfect condition. I am always very pleased working with Military Fasteners.

5.0

I recently had the pleasure of working with Dan Hunter and I must say that my experience was nothing short of exceptional. Dan is the epitome of professionalism and knowledge in the Aerospace industry. From the moment I engaged with Dan, I was impressed by his deep understanding of the products/services he was selling. His expertise was evident as he patiently and thoroughly answered all of my questions, providing me with valuable insights that helped me make informed decisions. What sets Dan apart is his ability to build trust and establish rapport with customers effortlessly. I never felt pressured or rushed into making a purchase; instead, I felt supported and guided in finding the right solution for my needs. Ask for Dan if you are looking for a salesperson who goes above and beyond to deliver an exceptional customer experience.

5.0