NAS1581F4T2

Close Tolerance Screw

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Description:

length: 0.528", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

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NAS1581F4T2 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.250 inches nominal
Fastener Length:
0.513 inches minimum and 0.543 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.350 inches minimum and 0.399 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Cross recess type iii
Thread Diameter:
0.250 inches
Grip Length:
0.115 inches minimum and 0.135 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:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 8740 overall or steel comp 8735 overall or steel comp 6150 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 17/32

Additional Information

SKU / Model: NAS1581F4T2
NSN: 5305-01-448-5088
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 50
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581F4T2_Military-Fasteners-com.pdf
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NAS1581F4T8

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NAS1581F4T7

length: 0.841", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

NAS1581F4T6

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NAS1581F4T5

Length: 0.715in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

NAS1581F4T4

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