MS21914-4J
Military Standard Tube Cap
tube outside diameter: 1/4", corrosion resistant steel, pressure seal, flareless tube, MS21914 series fitting




MS21914-4J Datasheet Features and Specification
Quick Specs
Thread Series | UNJF |
Thread Class | 3B |
Material | Steel |
Additional Information
Alternate Part Numbers
- MS21914-J4
- AS21914-4J
SKU / Model: | MS219144J |
NSN: | 4730-00-901-1062 |
FSC: | Hose, Pipe, Tube, Lubrication, and Railing Fittings / 4730 |
Product Series: | MS21914 |
Pack Weight (Approx.) | 0.000 lb |
Minimum Qty (MOQ): | 1 |
ECCN: | EAR99 |
National Motor Freight: | 052190, Pipe,tubing,or Pipe Or Tubing Fitti |
Download PDF Version MS21914-4J_Military-Fasteners-com.pdf |
|
![]() ![]() |
* report an issue on this page
Frequently bought together
Other customers frequently bought these along with MS21914-4J

MS21914-5J
Tube Cap
in Fittings
tube outside diameter: 5/16", pressure seal, flareless tube, corrosion resistant steel, MS21914 series fitting

MS21913J4
Threaded Tube Fitting Plug
in Fittings
tube outside diameter: 1/4", corrosion resistant steel (304), hex head, flareless tube, MS21913 series fitting

MS21913J3
Threaded Tube Fitting Plug
in Fittings
outside diameter: 3/16", hex head, flareless tube, corrosion resistant steel

MS21902J4
Boss Nipple
in Fittings
tube outside diameter: 1/4", corrosion resistant steel, union, flareless tube, MS21902 series fitting
More MS21914 tube caps
Corrosion resistant steel (15-5ph), cadmium plated, tube outside 1/2in., cap, pressure seal flareless tube
Pressure seal flareless tube fitting tube outside - 3/8in. corrosion resistant steel (15-5ph), cadmium plated
Corrosion resistant steel cadmium plated, tube outside 5/16in., cap, pressure seal flareless tube
new revision cap fitting corrosion resistant steel (15-5ph), cadmium plated, tube outside 1/4in., pressure seal flareless tube
corrosion resistant steel (15-5ph), cadmium plated, tube outside 3/16", cap, pressure seal flareless tube
Corrosion resistant steel (15-5ph), cadmium plated, tube outside 1/8in., cap, pressure seal flareless tube
Product Image Gallery
Product code MS21914-4J



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 just ordered four very tiny items for a couple of bucks and you treated me like I ordered much much more. The order got to me in just a few days and all I can say is your company is at the top of my list. Thank you very much. Stan
Big inventory. Quick response to orders. Good customer service
Great place to buy!
I recently had the pleasure of working with Dan Hunter and I must say that my experience was nothing short of exceptional. Dan is the epitome of professionalism and knowledge in the Aerospace industry. From the moment I engaged with Dan, I was impressed by his deep understanding of the products/services he was selling. His expertise was evident as he patiently and thoroughly answered all of my questions, providing me with valuable insights that helped me make informed decisions. What sets Dan apart is his ability to build trust and establish rapport with customers effortlessly. I never felt pressured or rushed into making a purchase; instead, I felt supported and guided in finding the right solution for my needs. Ask for Dan if you are looking for a salesperson who goes above and beyond to deliver an exceptional customer experience.
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.