MS21921-10
Military Standard Tube Coupling Nut
tube outside diameter: 5/8", carbon steel, sleeve coupling flareless




Additional Information
Alternate Part Numbers
SKU / Model: | MS2192110 |
NSN: | 4730-00-821-1824 |
FSC: | Hose, Pipe, Tube, Lubrication, and Railing Fittings / 4730 |
Product Series: | MS21921 |
Pack Weight (Approx.) | 0.012 lb |
Minimum Qty (MOQ): | 1 |
ECCN: | EAR99 |
National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
Download PDF Version MS21921-10_Military-Fasteners-com.pdf |
|
![]() ![]() |
* report an issue on this page
Frequently bought together
Other customers frequently bought these along with MS21921-10

MS21922-10
Clinch Tube Fitting Sleeve
in Fittings
tube outside 5/8", sleeve coupling flareless, carbon steel, MS21922 series sleeve
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
4730-00-777-7248 Tube Coupling Nut
Product Image Gallery
Product code MS21921-10



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'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.
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!
Thank you for your excellent customer support. The solenoids have been shipped extremely fast. I am very happy with the product and its price. I would recommend Military Fasteners to my friends at anytime.
Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.
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.