NAS1581A4T4

Close Tolerance Screw

email this to someone  
Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 27/64", NAS1581 series screw

* Manufacturer certifications are shipped with your order FREE of charge
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
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

NAS1581A4T4 Datasheet Features and Specification

Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Thread Length:
Between 0.378 inches and 0.428 inches
Thread Qty Per Inch (tpi):
28
Thread Direction:
Right-hand
Thread Class:
3a
Thread Diameter:
0.250 inches
Surface Treatment Specification:
Class 2 federal specification single treatment response type 2 qq-p-416
Surface Finish:
32.0 microinches grip
Surface Treatment:
Cadmium and chromate
Specification Data:
80205-nas1581 professional/industrial association standard
Surface Finish:
32.0 microinches threads
Internal Drive Style:
Offset cruciform (torque set)
Material:
Stee
Min. Tensile Strength (psi):
160000 pounds per square inch
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 0.240 inches and 0.260 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Countersink Angle:
100.0 degrees
Fastener Length:
Between 0.638 inches and 0.668 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A

Additional Information

SKU / Model: NAS1581A4T4
NSN: 5305-01-057-3070
FSC: Screws / 5305
Product Series: NAS1581A
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581A4T4_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More NAS1581A close tolerance screws

NAS1581A4T5

Fastener Length: 23/32in., Thread: 1/4-28, Thread Length: 3/8in. screw

NAS1581A3T8

5305-01-477-2865 Close Tolerance Screw

Product Image Gallery

Product code NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4
NAS1581A4T4

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

I found your company via Google and I am glad I did. It was very easy to order the item that I needed. I will definitely be back. Thank you!

4.0

I just want to say that I am really liking what is going on with Military Fasteners. The prices, the availability of items, the fast shipping. I really like the ease of ordering online. I have been to so many websites that are confusing to say the least, but yours is easy easy to use, clear and simple. I love being able to look up all my past orders and print out the invoices if need be. I am just thoroughly impressed with everything about Military Fasteners. Keep it up and you will always be on my bookmarks bar in the number one position!

5.0

We were able to find the parts needed at a competitive price. Jasmine Morales was helpful in fulfilling this order.

5.0

I can say that Military Fasteners was able to deliver the part to me very quickly. I live in a very remote area in the Tennessee mountains and typically have to wait up to two weeks to receive deliveries. Sometimes, the delivery guys cannot find my house at all, and they have to leave my packages at the local general store. But with Military Fasteners, my packages always find my front door step and in great condition. This package arrived nearly a week earlier than expected, and that was over the New Years holiday! Great work, Military Fasteners, on your delivery service. Thanks!

4.0