MS27577-4-18
Military Standard Screw
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Description:
* Manufacturer certifications are shipped with your order
FREE of charge
Fastener Length: 1-9/16", Thread: 1/4-28, Thread Length: 21/64"
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MS27577-4-18 Datasheet Features and Specification
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.282 inches minimum and 0.333 inches maximum
Fastener Length:
1.543 inches minimum and 1.563 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.449 inches minimum and 0.507 inches maximum
Locking Feature:
Detent ball grip
Grip Diameter:
0.2483 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
1.125 inches minimum and 1.141 inches maximum
Thready Qty Per Inch (tpi):
28
Hardness Rating:
36.0 rockwell c minimum overall and 41.0 rockwell c maximum overall
Countersink Angle:
100.0 degrees nominal
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.443 inches minimum first hole and 1.563 inches maximum first hole
Surface Finish:
63.0 microinches grip
Surface Finish:
63.0 microinches top of head
Material:
Steel overall
Material Specification:
Mil-b-83050 mil spec single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
| Thread Size | 1/4 |
| Thread Qty | 28 |
| Material | Steel |
| Length | 1-9/16 |
Additional Information
| SKU / Model: | MS27577418 |
| NSN: | 5305-00-121-8895 |
| FSC: | Screws / 5305 |
| Product Series: | MS27577 |
| Pack Weight (Approx.) | 0.000 lb |
| Minimum Qty (MOQ): | 1 EA |
| 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 MS27577-4-18_Military-Fasteners-com.pdf |
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More MS27577 close tolerance screws
MS27577-4-13
Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 21/64"
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