email this to someone  

Fastener Length: 9/16", Thread: 4-40, Head Width: 3/64", Thread Length: 33/64"

* 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

NAS1081-04B9N Datasheet Features and Specification

Thread Class:
Thread Direction:
Thread Length:
0.516 inches maximum
Fastener Length:
0.552 inches minimum and 0.572 inches maximum
Head Style:
Headless (setscrew)
Locking Feature:
Pellet threads
Point Style:
Internal Drive Style:
Thread Diameter:
0.112 inches
Width Across Flats:
0.050 inches minimum and 0.051 inches maximum
Thready Qty Per Inch (tpi):
Hardness Rating:
45.0 rockwell c minimum overall and 53.0 rockwell c maximum overall
Steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Specification Data:
80205-nas1081 professional/industrial association standard

Additional Information

SKU / Model: NAS108104B9N
NSN: 5305-01-007-1518
FSC: Screws / 5305
Product Series: NAS1081
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
Worldwide Shipping

* report an issue on this page

More NAS1081 pin-rivet collars


Fastener Length: 3/8", Thread: 4-40, Head Width: 3/64", Thread Length: 3/8"


Fastener Length: 5/16", Thread: 1/4-28, Head Width: 1/8", Thread Length: 5/16"


Fastener Length: 5/8", Thread: 1/4-28, Head Width: 1/8", Thread Length: 5/8"


Fastener Length: 5/16", Thread: 10-32, Head Width: 15/16", Thread Length: 15/64"


Fastener Length: 1/8", Thread: 10-32, Head Width: 1/16", Thread Length: 1/8"


Fastener Length: 1/2", Thread: 10-32, Head Width: 3/32", Thread Length: 1/2"

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 an Military Fasteners customer for more years than I can remember, and have NEVER been disappointed. This order is no exception.


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.


10/10 love working with Amanda! She’s always eager to get on the phone with customers and ready to get their orders out the door.


Paige Twombly is fantastic to work with! She is the definition of fast, professional and efficient!!!