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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I have been dealing with you folks for years as a corporation customer and personally. You are the industry standard on quality of product and service.

5.0

I have only ordered from Military Fasteners once so far, but I can't even express how happy I was with our order. As a purchasing manager who deals with government contracts (and the strict requirements that come with them), I was beyond thrilled with the flawless paperwork that was provided (free of charge) with the products we ordered. Lindsey was a peach to interact with, and we received our order next day; one of the perks of having a warehouse close by. I am very much so looking forward to to ordering from them again! Response from the owner3 years ago Thank you so much Holly for the kind words. We constantly try and think of new ways to improve the experience for our customers. We strive to make the package presentation upon arrival how we would want as a customer. It truly is an honor to service our customers that support our government and military branches.

5.0

Ive been dealing with you for many years and as usual the service and excellent quality is consistently above average. Its a pleasure to do business with Military Fasteners.

4.0

Local GuideĀ·"Nice online shop

5.0