NAS1581C3H3

Close Tolerance Screw

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Description:

NAS1581C3H3 Close Tolerance Screw

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NAS1581C3H3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.337 inches minimum and 0.387 inches maximum
Fastener Length:
0.534 inches minimum and 0.564 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:
High-torque
Thread Diameter:
0.190 inches
Grip Length:
0.177 inches minimum and 0.197 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 overall or ams 5732 assn std single material response overall or ams 5737 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1581 professional/industrial association standard

Additional Information

SKU / Model: NAS1581C3H3
NSN: 5305-01-132-8526
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.2000
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581C3H3_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

NAS1581C4T7

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NAS1581C4T5

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