MS9557-06

Military Standard Machine Bolt

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Description:

Fastener Length: 1/2", Thread: 1/4-28, Thread Length: 13/32", MS9557 series bolt

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MS9557-06
MS9557-06
MS9557-06
Add to Cart Up to qty 280 ships same day if ordered before 4pm EST
MS9557-06 Price:
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$2.71 Each
Quantity:
Pre-packaged bag qty: 20 ea
* Sold in increments of 20
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MS9557-06 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.401 inches minimum and 0.421 inches maximum
Fastener Length:
0.500 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:
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:
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 1/2

Additional Information

SKU / Model: MS955706
NSN: 5306-00-121-2671
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.288 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.2095
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-06_Military-Fasteners-com.pdf
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Product Image Gallery

Product code MS9557-06
MS9557-06
MS9557-06
MS9557-06

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Customer Reviews

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Excellent service, parts arrived at my home in UK exactly when you said they would even when you did not have parts in stock when ordered, very prompt reply to my queries before ordering, faster delivery than I would have got from UK.

5.0

Fast and affordable shipping for small parts. In Alaska, USPS work well and is affordable for us up here, Thanks

5.0

I was very pleased with the processing of my order from Military Fasteners. Placed my order very late on Thursday. Confirmation was immediate and received a tracking number the next day. It was delivered on the Monday. Excellent service from Military Fasteners

5.0

always has stock or notes when it will be available before placing the order

5.0