NAS1581F4T9

Close Tolerance Screw

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Description:

Length: 0.965", thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

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NAS1581F4T9
NAS1581F4T9
NAS1581F4T9
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NAS1581F4T9 Datasheet Features and Specification

Thread Class:
3a
Surface Treatment Specification:
Class 2 federal specification all treatment responses type 2 qq-p-416
Surface Treatment:
Cadmium and chromate
Specification Data:
80205-nas1581 professional/industrial association standard
Min. Tensile Strength (psi):
160000 pounds per square inch
Material Specification:
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6040 military specification 3rd material response
Material:
Steel
Head Style:
Flat countersunk
Internal Drive Style:
Offset cruciform (torque set)
Grip Length:
Between 0.553 inches and 0.573 inches
Head Diameter:
Between 0.3504 inches and 0.3988 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Fastener Length:
Between 0.951 inches and 0.981 inches
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Thread Diameter:
0.250 inches
Thread Direction:
Right-hand
Thread Length:
0.403 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: NAS1581F4T9
NSN: 5305-01-438-2265
FSC: Screws / 5305
Product Series: NAS1581F4T
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581F4T9_Military-Fasteners-com.pdf
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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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NAS1581F4T3

length: 0.590", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

Product Image Gallery

Product code NAS1581F4T9
NAS1581F4T9
NAS1581F4T9
NAS1581F4T9

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