NAS1581C3R4P

Close Tolerance Screw

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Description:

NAS1581C3R4P Close Tolerance Screw

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NAS1581C3R4P Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.338 inches minimum and 0.388 inches maximum
Fastener Length:
0.598 inches minimum and 0.628 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.258 inches minimum and 0.305 inches maximum
Grip Diameter:
0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.190 inches
Grip Length:
0.240 inches minimum and 0.260 inches maximum
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416, type ii, class 2 fed spec single treatment response overall
Thread Series Designator:
Unjf

Additional Information

SKU / Model: NAS1581C3R4P
NSN: 5305-01-642-5156
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
Download PDF Version
NAS1581C3R4P_Military-Fasteners-com.pdf
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length: 0.903", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

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