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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$4.16 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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Customer Reviews

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As normal with Military Fasteners for many years, no issues. I order the parts needed and they send them. Just fair prices and good service.

4.0

Over the years that I have been associated with you as a buyer - your promptness and professionalism with providing for my product needs and advice have been outstanding, keep up the great support - Thanks a million.

4.0

Any time I need anything it is here when I need it without question. I have tried other suppliers and ship dates are not honored sometimes it can take two weeks for item in their stock!! Thanks for being consistent and prompt.

4.0

Had an order discrepancy. Kristen Belmont to the rescue! Very well taken care of. Thanks to Military Fasteners for having a wonderful C.A.R.E team!

5.0