NAS517-5-21

Machine Screw

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Description:

NAS517-5-21 Machine Screw

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NAS517-5-21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.419 inches minimum and 0.577 inches maximum
Fastener Length:
1.829 inches minimum and 1.874 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.572 inches minimum and 0.638 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.312 inches
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Steel comp 8630
Screw Material Specification:
Mil-s-6050 mil spec single material response or an-s-9 mil std single material response
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec single treatment response
Thread Series Designator:
Unf

Additional Information

SKU / Model: NAS517521
NSN: 5305-00-638-0811
FSC: Screws / 5305
Product Series: NAS517-5
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS517-5-21_Military-Fasteners-com.pdf
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