MS21916-6-4
Military Standard Boss Reducer
tube 3/8" to 1/4", reducer, external thread, flareless tube, carbon steel, MS21916 series fitting


Add to Quote
MS21916-6-4 Datasheet Features and Specification
Quick Specs
Thread Series | UNJF |
Thread Class | 3A |
Material | Steel |
Additional Information
Alternate Part Numbers
SKU / Model: | MS2191664 |
NSN: | 4730-00-541-4901 |
FSC: | Hose, Pipe, Tube, Lubrication, and Railing Fittings / 4730 |
Product Series: | MS21916-6 |
Pack Weight (Approx.) | 0.085 lb |
Minimum Qty (MOQ): | 1 |
Schedule B: | 7307.19.9080 |
ECCN: | EAR99 |
National Motor Freight: | 052190, Pipe,tubing,or Pipe Or Tubing Fitti |
Download PDF Version MS21916-6-4_Military-Fasteners-com.pdf |
|
![]() |
* report an issue on this page
Frequently bought together
Other customers frequently bought these along with MS21916-6-4

MS21902-4
Boss Nipple
in Fittings
outside diameter: 1/4", flareless, carbon steel, MS21902 series fitting
Product Image Gallery
Product code MS21916-6-4

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

Buying parts from Military Fasteners couldnt be easier. If I need special help I make a phone call. I can usually do it all online and get super fast service.
I could find those 2 great different products for my Garmin at the same place. Thank you very much, very helpful, very easy to order and fast shipping.
Great service, always spot on and very expedient! Excellent working with Paige Twombly for quick turnarounds, much appreciated.
Trisha Hawkins has been very helpful and easy to deal with. Any rush orders or just orders in general, she makes sure I get it within the time requested.
Please complete this form if you're having an issue with ordering this item or this item displays invalid or innacurate information or specifications. We thank you for taking the time to report issues so that we may better serve you.