NAS1581A4T5

Close Tolerance Screw

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Description:

Fastener Length: 23/32", Thread: 1/4-28, Thread Length: 3/8",

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NAS1581A4T5
NAS1581A4T5
NAS1581A4T5
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NAS1581A4T5 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.403 inches nominal
Fastener Length:
0.700 inches minimum and 0.730 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.350 inches minimum and 0.398 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.302 inches minimum and 0.322 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Countersink Angle:
100.0 degrees nominal
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 6150 overall or steel comp 8735 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1581 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 23/32

Additional Information

SKU / Model: NAS1581A4T5
NSN: 5305-01-057-9331
FSC: Screws / 5305
Product Series: NAS1581A
Pack Weight (Approx.) 0.454 lb
Minimum Qty (MOQ): 50
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581A4T5_Military-Fasteners-com.pdf
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NAS1581A4T4

Fastener Length: 21/32in., Thread: 1/4-28, Thread Length: 27/64in.

NAS1581A3T8

5305-01-477-2865 Close Tolerance Screw

Product Image Gallery

Product code NAS1581A4T5
NAS1581A4T5
NAS1581A4T5
NAS1581A4T5

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