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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$16.56 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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Trisha Hawkins has been very helpful and easy to deal with. Any rush orders or just orders in general, she makes sure I get it within the time requested.

5.0

Have to tell you that you have the best in Brittany Cornish. She is always the most help in getting our ordered placed as soon as we send it in and always on time delivery. She is very responsive with any and all issues if any which we never have any dealing with her. She always goes above and beyond to follow up even after we received our order. We only wish all of our Vendors that we deal with on a daily basis were as wonderful as she is. Her personality is bar none.

5.0

As normal with Military Fasteners for many years, no issues. I order the parts needed and they send them. Just fair prices and good service.

4.0

AS Always fast and great service by all.

5.0