MS9557-29

Military Standard Machine Bolt

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Description:

Fastener Length: 2-1/8", Thread: 1/4-28, Thread Length: 13/16", MS9557 series bolt

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MS9557-29
MS9557-29
MS9557-29
Add to Cart Up to qty 10 ships same day if ordered before 4pm EST
MS9557-29 Price:
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$25.01 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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MS9557-29 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.669 inches minimum and 0.820 inches maximum
Fastener Length:
2.115 inches minimum and 2.135 inches maximum
Head Style:
Double hexagon extended washer
Head Height:
0.290 inches minimum and 0.310 inches maximum
Width Between Flats:
0.312 inches nominal
Extended Washer Diameter:
0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness:
0.060 inches minimum
Thread Diameter:
0.250 inches
Grip Length:
1.315 inches minimum and 1.375 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
24.0 rockwell c minimum overall and 35.0 rockwell c 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:
Ams5731 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 2-1/8

Additional Information

SKU / Model: MS955729
NSN: 5306-01-239-2010
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.175 lb
Minimum Qty (MOQ): 5
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-29_Military-Fasteners-com.pdf
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Product Image Gallery

Product code MS9557-29
MS9557-29
MS9557-29
MS9557-29

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As usual you guys did an excellent job , fast delivery and all the items in perfect condition. What else could you want. Thank you Military Fasteners.

4.0

Very fast delivery and always getting what I ordered. Never had an issue with the few returns I've had. They have been very friendly and helpful.

5.0

Yall keep me flying. The service is always prompt and accurate. Thanks so much.

4.0

Best source for mil spec hardware. Website is user friendly, inventory is expansive, overnight shipment is a huge plus, and customer support is responsive and very helpful.

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