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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