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 150 ships same day if ordered before 4pm EST
NAS1581F4T6 Price:
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$0.99 Each
Quantity:
Pre-packaged bag qty: 50 ea
* Sold in increments of 50
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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): 50
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

$0.72 Each, 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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Well I used Military Fasteners for this order because they are close to me in florida.

4.0

Called Military Fasteners for assistance to determine pricing for some material. Ashleigh S. was very nice to work with. Her attitude and happy approach was great. She provided guidance along with a quote for future reference!! Thank you!

5.0

Great Customer Service very helpful...Packaged arrived almost the next day. How did you do that. Thank you again. will be doing business with you again soon !!!

5.0

Easy catalogue to find things. Battery fit perfect. Legal again for another two years. Delivered sooner than promised!

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