MS21921-8K
Military Standard Tube Coupling Nut
MS21921-8K Tube Coupling Nut

MS21921-8K Datasheet Features and Specification
Additional Information
SKU / Model: | MS219218K |
NSN: | 4730-00-777-7248 |
FSC: | Hose, Pipe, Tube, Lubrication, and Railing Fittings / 4730 |
Product Series: | MS21921 |
Pack Weight (Approx.) | 0.000 lb |
Minimum Qty (MOQ): | 2 |
Schedule B: | 7318.16.0000 |
ECCN: | EAR99 |
National Motor Freight: | 095190, Hardware, Noi |
Download PDF Version MS21921-8K_Military-Fasteners-com.pdf |
|
![]() ![]() |
* report an issue on this page
More MS21921 tube coupling nuts
Corrosion resistant steel (15-5ph), cadmium plated, tube outside 1/2in., nut, sleeve coupling flareless
tube outside 5/16", nut, sleeve coupling flareless - corrosion resistant steel - cadmium plated "
Carbon steel tube outside 1/4in., nut, sleeve coupling flareless
$83.94 Each, Corrosion resistant steel cadmium plated, tube outside 5/8in., nut, sleeve coupling flareless
$15.30 Each, Aluminum alloy 7075, tube outer diameter 1/2in., nut, sleeve coupling, flareless
MS21921-8J Corrosion resistant steel 304 tube outside 1/2 inch nut sleeve coupling flareless, 4730-00-859-3517
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

I found your company via Google and I am glad I did. It was very easy to order the item that I needed. I will definitely be back. Thank you!
Any time I need anything it is here when I need it without question. I have tried other suppliers and ship dates are not honored sometimes it can take two weeks for item in their stock!! Thanks for being consistent and prompt.
I've never received an incorrect order from ACS, even when dealing with small hardware such as nuts, washers, screws, etc. Shipment is always fast and with reasonable shipment prices for my needs. Even my smallest of orders is processed and ship quickly. I'm a long-time ACS customer and I expect I will be for a long time.
Best source for mil spec hardware. Website is user friendly, inventory is expansive, overnight shipment is a huge plus, and customer support is responsive and very helpful.
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.