MS9557-12

Military Standard Machine Bolt

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Description:

Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 51/64", MS9557 series bolt

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MS9557-12
MS9557-12
MS9557-12
Add to Cart Up to qty 190 ships same day if ordered before 4pm EST
MS9557-12 Price:
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$3.96 Each
Quantity:
Pre-packaged bag qty: 10 ea
* Sold in increments of 10
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MS9557-12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.740 inches minimum and 0.806 inches maximum
Fastener Length:
0.865 inches minimum and 0.885 inches maximum
Head Style:
Double hexagon extended washer
Head Height:
0.300 inches nominal
Width Between Flats:
0.312 inches nominal
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
0.079 inches minimum and 0.125 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
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 7/8

Additional Information

SKU / Model: MS955712
NSN: 5306-01-274-8315
FSC: Bolts / 5306
Product Series: MS9557
Pack Weight (Approx.) 0.200 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.2095
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9557-12_Military-Fasteners-com.pdf
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Product Image Gallery

Product code MS9557-12
MS9557-12
MS9557-12
MS9557-12

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My order was a small order of hardware. The order arrived well packaged, in a timely manner via US mail. I continue to receive excellent service from Military Fasteners. Thank You!

4.0

Would definitely buy again from Military Fasteners. Order was delivered sooner than expected. Good price and order quality was better than expected.

4.0

Very satisfied with the order process. I have been using you guys for the last few years and have never had a problem. Keep up the good work.

5.0

Fast service and fast shipping.

5.0