NAS1581F4T6

Close Tolerance Screw

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Description:

length: 0.778", thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

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NAS1581F4T6
NAS1581F4T6
NAS1581F4T6
NAS1581F4T6
Add to Cart Up to qty 1000 ships same day if ordered before 4pm EST
NAS1581F4T6 Price:
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$1.40 Each
Quantity:
Pre-packaged bag qty: 25 ea
* Sold in increments of 25
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NAS1581F4T6 Datasheet Features and Specification

Thread Class:
3a
Surface Treatment Specification:
Qq-p-416 ty2 cl2 federal specification single treatment response
Surface Treatment:
Cadmium and chromate
Surface Finish:
32.0 microinches threads
Surface Finish:
32.0 microinches grip
Specification Data:
80205-nas1581 professional/industrial association standard
Min. Tensile Strength (psi):
160000 pounds per square inch
Material:
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Internal Drive Style:
Offset cruciform (torque set)
Head Style:
Flat countersunk
Head Diameter:
Between 0.350 inches and 0.399 inches
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Grip Length:
Between 0.365 inches and 0.385 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Countersink Angle:
100.0 degrees
Fastener Length:
Between 0.763 inches and 0.793 inches
Thread Diameter:
0.250 inches
Thread Direction:
Right-hand
Thread Length:
Between 0.378 inches and 0.428 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: NAS1581F4T6
NSN: 5305-01-056-3204
FSC: Screws / 5305
Product Series: NAS1581F4T
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581F4T6_Military-Fasteners-com.pdf
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More NAS1581F4T close tolerance screws

NAS1581F4T9

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

NAS1581F4T8

length: 0.903", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

NAS1581F4T7

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

NAS1581F4T5

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

NAS1581F4T4

Length: 0.653in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

NAS1581F4T3

Length: 0.590in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

Product Image Gallery

Product code NAS1581F4T6
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