MS9557-28
Military Standard Machine Bolt
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Description:
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Length: 2", hex head, MS9557 series bolt
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MS9557-28 Datasheet Features and Specification
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.750 inches minimum and 0.810 inches maximum
Fastener Length:
2.000 inches nominal
Head Style:
Double hexagon w/hole
Head Height:
0.330 inches nominal
Width Between Flats:
0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.438 inches nominal
Extended Washer Thickness:
0.060 inches minimum and 0.070 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
1.190 inches minimum and 1.250 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
248.0 brinell standard minimum overall and 341.0 brinell standard maximum overall
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 5737 assn std single material response overall
Thread Series Designator:
Unjf
Quick Specs
| Thread Size | 1/4 |
| Thread Qty | 28 |
| Material | Iron |
| Length | 2- |
Additional Information
| SKU / Model: | MS955728 |
| NSN: | 5306-00-195-2307 |
| FSC: | Bolts / 5306 |
| Product Series: | MS9557 |
| Pack Weight (Approx.) | 0.211 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 MS9557-28_Military-Fasteners-com.pdf |
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Product code MS9557-28
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