MS9557-09

Military Standard Machine Bolt

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Description:

length: 11/16", thread: 1/4-28, machine bolt, extended washer head, corrosion and heat resistant steel

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MS9557-09
MS9557-09
MS9557-09
Add to Cart Up to qty 90 ships same day if ordered before 4pm EST
MS9557-09 Price:
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$3.54 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
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MS9557-09 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.579 inches minimum and 0.619 inches maximum
Fastener Length:
0.678 inches minimum and 0.698 inches maximum
Head Style:
Double hexagon w/hole
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:
0.079 inches minimum and 0.099 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 11/16

Additional Information

SKU / Model: MS955709
NSN: 5306-01-239-2403
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.171 lb
Minimum Qty (MOQ): 10
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-09_Military-Fasteners-com.pdf
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Product code MS9557-09
MS9557-09
MS9557-09
MS9557-09

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Everything exactly as ordered! Quick and reasonable cost of shipping. Thanks for the XLNT service.

5.0

I always receive my shipments from Military Fasteners quickly without having to follow up and track down shipments. West Coast shipments arrive usually the next day via UPS ground, making it an effective choice. Thank you for excellent service.

4.0

Ramona R. is very prompt and professional processing my urgent request! i am very satisfied with the quick turn around. Thank you!

5.0

I've never received an incorrect order from ACS, even when dealing with small hardware such as nuts, washers, screws, etc. Shipment is always fast and with reasonable shipment prices for my needs. Even my smallest of orders is processed and ship quickly. I'm a long-time ACS customer and I expect I will be for a long time.

5.0