MS9557-31

Military Standard Machine Bolt

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Description:

Fastener Length: 2-3/8", Thread: 1/4-28, Thread Length: 51/64",

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MS9557-31
MS9557-31
MS9557-31
Add to Cart Up to qty 35 ships same day if ordered before 4pm EST
MS9557-31 Price:
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$15.77 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS9557-31 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.750 inches minimum and 0.810 inches maximum
Fastener Length:
2.375 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.300 inches nominal
Width Between Flats:
0.305 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
1.565 inches minimum and 1.625 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
248.0 brinell standard minimum overall and 341.0 brinell standard maximum overall
Minimum Yield Strength:
85000 pounds per square inch
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 2-3/8

Additional Information

SKU / Model: MS955731
NSN: 5306-00-132-1367
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.198 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-31_Military-Fasteners-com.pdf
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Product code MS9557-31
MS9557-31
MS9557-31
MS9557-31

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I have purchased most of my aviation needs from Military Fasteners for the last 5 years. You have provided me with the products that I have needed,with a price that is fair and a delivery on time. Thanks!

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Military Fasteners is an exceptional company in terms of how they run their business. Very prompt and responsive to questions, concerns, quotes, and all other forms of inquiry. Brittany Cornish supports many of the business transactions we perform with Military Fasteners and has made working with them an absolute pleasure. I would highly recommend them to anyone seeking mil-spec hardware.

5.0

I worked with Isaac Beltran and he did a great job and rare to find.....someone with attention to detail.

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Fast and courteous and professional service with quality aircraft parts. Thanks.

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