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, 5305-01-057-9331

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
NAS1581F4T6
NAS1581F4T6
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I've been using Military Fasteners for a long time and have always been more than satisfied with the service they provide. Craig F

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fantastic customer service. have ordered multiple times for certified hardware. nice website for ordering

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Excellent service, parts arrived at my home in UK exactly when you said they would even when you did not have parts in stock when ordered, very prompt reply to my queries before ordering, faster delivery than I would have got from UK.

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Fantastic service. Part ordered Monday. Received Wednesday Though customs etc and across America the North Atlantic then UK. Amazing well done and thanks.

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