AS9557-14

Machine Bolt

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Description:

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 13/16", AS9557 series bolt

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AS9557-14 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.740 inches minimum and 0.820 inches maximum
Fastener Length:
0.990 inches minimum and 1.010 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.320 inches minimum and 0.340 inches maximum
Width Between Flats:
0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Thread Diameter:
0.250 inches
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Minimum Yield Strength:
85000 pounds per square inch
Surface Finish:
32.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Material:
Iron alloy 660 overall
Material Specification:
Ams 5732 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 0-63/64

Additional Information

Alternate Part Numbers

SKU / Model: AS955714
NSN: 5306-00-352-0319
FSC: Bolts / 5306
Product Series: AS9557
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AS9557-14_Military-Fasteners-com.pdf
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Very good experience. I liked Kristen Belmont - was a pleasure to work with - product shipped right away.

5.0

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

In dealing with Military Fasteners for 3 plus years, I can honestly say Ive never had a bad experience with the company. Please keep up the great work and youll keep me coming back for as long as I am flying.

4.0

Fast and as ordered. Always easy via the website.

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