Aeronautical Standard Straight Pipe To Boss Adapter

email this to someone  

tube outer diameter: 5/16", pipe diameter: 1/4/", thread: 1/2-20, straight pipe to flared tube, steel

* Manufacturer certifications are shipped with your order FREE of charge
Add to Cart Up to qty 15 ships same day if ordered before 4pm EST
AN816-5-4 Price:
buy now
$36.00 Each
Pre-packaged bag qty: 2 ea
* Sold in increments of 2
Add item to quote  

AN816-5-4 Datasheet Features and Specification

Pipe Size Accommodated:
0.250 inches 2nd end
Thread Class:
3a 2nd end
Connection Style:
Flared w/ gasket seal (boss) 2nd end
Connection Style:
Plain (pipe) 1st end
Connection Type:
Threaded external boss 2nd end
Connection Type:
Threaded external pipe 1st end
Thread Size:
0.250 inches 1st end
Thread Size:
0.500 inches 2nd end
1.375 inches
Steel comp 1137 overall or steel comp 4130 overall or steel comp 4140 overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416,ty 1,cl 2 fed spec single treatment response overall
Thread Series Designator:
Anpt 1st end
Thread Series Designator:
Unjf 2nd end
Specification Data:
88044-an816 government standard and 81343-as4842/1 professional/industrial association standard

Additional Information

SKU / Model: AN81654
NSN: 4730-00-277-5115
FSC: Hose, Pipe, Tube, Lubrication, and Railing Fittings / 4730
Product Series: AN816-5
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 2
National Motor Freight: 052190, Pipe,tubing,or Pipe Or Tubing Fitti
Download PDF Version
Worldwide Shipping In stock and ready to ship!

* report an issue on this page

Product Image Gallery

Product code AN816-5-4

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

The only hardware supplier that rushes to ship your order. Placed an order at 4pm, and they got it out same day.


My new David Clark headset arrived earlier than expected and everything was perfect. Whole order/delivery experience was excellent.


Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.


Military Fasteners always comes through. Easy ordering, good shipping, well packaged. Thanks!