NAS623-4-26

Screw

email this to someone  
Description:

Fastener Length: 1-61/64", Thread: 1/4-28, Thread Length: 21/64"

* 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

NAS623-4-26 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.291 inches minimum and 0.341 inches maximum
Fastener Length:
1.926 inches minimum and 1.956 inches maximum
Head Style:
Pan
Head Diameter:
0.473 inches minimum and 0.492 inches maximum
Head Height:
0.162 inches minimum and 0.175 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material:
Steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Specification:
Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas623 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-61/64

Additional Information

SKU / Model: NAS623426
NSN: 5305-00-827-6880
FSC: Screws / 5305
Product Series: NAS623
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 40 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS623-4-26_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More NAS623 machine screws

NAS623-6-6

Fastener Length: 25/32", Thread: 3/8-24, Thread Length: 13/32"

NAS623-5-9

Fastener Length: 15/16in., Thread: 1/4-24, Thread Length: 25/64in., 5305-00-453-6252

NAS623-5-20

Fastener Length: 1-5/8in., Thread: 1/4-24, Thread Length: 25/64in., 5305-00-470-5920

NAS623-5-14

$4.74 Ea

NAS623-5-12

5305-00-275-3383 Machine Screw

NAS623-4-9

Machine Screw 5305-00-815-9859 Length: 0.878in., grip: 0.562in., thread: 1/4-28, pan head machine screw short thread philips recess cadmium plated alloy steel

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 have been doing business with Military Fasteners for a number of years. Every Time I have needed a question answered in finding something for my projects Military Fasteners has always been there. The people I talk to are helpful and knowledgeable concerning all the vintage planes I have called looking for a special item needed. Thank you for being YOU!

5.0

Ordering is simple and my parts are always shipped promptly and arrive well packaged. Military Fasteners is always my go-to store when I need something for my homebuilt project.

5.0

As always, orders are shipped promptly and received when expected. Rarely can you find products at lower cost than at Military Fasteners. The web site is easy to use. My favorite place to order from. When looking for aviation products, I always go to Military Fasteners first.

5.0

Order arrived promptly and well packed. Was exactly as described and worked flawlessly. Happy Happy!

4.0