AS9557-14
Machine Bolt
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Description:
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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) |
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Download PDF Version AS9557-14_Military-Fasteners-com.pdf |
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