NAS4404-20

Screw

email this to someone  
Description:

Fastener Length: 1-5/8", Thread: 1/4-32, Thread Length: 3/8"

* 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

NAS4404-20 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.355 inches minimum and 0.385 inches maximum
Fastener Length:
1.605 inches minimum and 1.635 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Tri-wing recess
Thread Diameter:
0.250 inches
Grip Length:
1.240 inches minimum and 1.260 inches maximum
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Steel comp 4340 overall or steel comp 8740 overall
Material Specification:
Mil-s-5000 mil spec 1st material response overall or mil-s-6049 mil spec 2nd material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty ii,cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas4404 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 32
Material Steel
Length 1-5/8

Additional Information

SKU / Model: NAS440420
NSN: 5305-01-195-8382
FSC: Screws / 5305
Product Series: NAS4404
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 15 EA
Schedule B: 7318.15.8085
ECCN: 9A991
Download PDF Version
NAS4404-20_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More NAS4404 close tolerance screws

NAS4404-9

Screw

NAS4404-7

length: 0.808", grip: 0.438", thread: 1/2-28, 100°, close tolerance bolt - reduced head short thread - cadmium plated alloy steel - tri-slot recess

NAS4404-6

length: 0.745", grip: 0.375", thread: 1/2-28, 100°, close tolerance bolt - reduced head short thread - cadmium plated alloy steel - tri-slot recess

NAS4404-5

length: 0.682", grip: 0.312", thread: 1/2-28, 100°, close tolerance bolt - reduced head short thread - cadmium plated alloy steel - tri-slot recess

NAS4404-4

length: 0.620", grip: 0.250", thread: 1/2-28, 100°, close tolerance bolt - reduced head short thread - cadmium plated alloy steel - tri-slot recess

NAS4404-3

close tolerance screw

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 can always count on Military Fasteners to give me the best selection of aircraft parts and supplies. Also always get fast shipping, and appreciate the USPS option that is much less expensive than the overnight shippers for us located in Southern California. Thank you for making it easier to keep our general aviation and experimental aircraft flying!

5.0

I've been a customer since 1983 and you have provided what I needed most times in a very timely manner at the right price. Over all I have been very satisfied with your company.

5.0

Your service is great. I have use you for years and your service has always been great

4.0

Great to deal with. Quick responses are so important to businesses and they definitely do that....

5.0