NAS1581F4T7

Close Tolerance Screw

email this to someone  
Description:

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

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

NAS1581F4T7 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.378 inches minimum and 0.428 inches maximum
Fastener Length:
0.826 inches minimum and 0.856 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:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.428 inches minimum and 0.448 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:
100.0 degrees nominal
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 4140 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 27/32

Additional Information

SKU / Model: NAS1581F4T7
NSN: 5305-01-056-1504
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
NAS1581F4T7_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More 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

NAS1581F4T6

$0.90 Each, Length: 0.778in., thread: 1/4-28 shear, 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

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

Google View our Google profile

Would definitely buy again from Military Fasteners. Order was delivered sooner than expected. Good price and order quality was better than expected.

4.0

I have purchased most of my aviation needs from Military Fasteners for the last 5 years. You have provided me with the products that I have needed,with a price that is fair and a delivery on time. Thanks!

5.0

highly recommend, great service. Kristen B was very helpful and got what I needed. great customer service

5.0

I needed a voltage regulator as soon as possible to get a school plane back up. I wasnt able to call in the order until right at the cut-off time. I asked to PLEASE try to get the order shipped that day, and she did. Thank you very much!!

4.0