MS21318-21
Military Standard Drive Screw
Length: 1/4", diameter: 0.114", round head, U drive style, cadmium plated carbon steel, MS21318 series screw






MS21318-21 Datasheet Features and Specification
Quick Specs
Material | Steel |
Length | 1/4 |
Additional Information
SKU / Model: | MS2131821 |
NSN: | 5305-00-253-5615 |
FSC: | Screws / 5305 |
Product Series: | MS21318 |
Pack Weight (Approx.) | 0.115 lb |
Minimum Qty (MOQ): | 100 |
Schedule B: | 7616.10.9090 |
ECCN: | EAR99 |
National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
Download PDF Version MS21318-21_Military-Fasteners-com.pdf |
|
![]() ![]() |
* report an issue on this page
Frequently bought together
Other customers frequently bought these along with MS21318-21

MS3367-4-9
Electrical Component Tiedown Strap
in Electrical
Maximum diameter: 5/8", length: 3-1/2", 18 lb., natural color, plastic clip (not metal), MS3367 series tiedown

MS3367-2-0
Electrical Component Tiedown Strap
in Electrical
maximum diameter: 4", length: 14", black color, MS3367 series tie wrap. Use Tool MS90387-1
MS3367-2-9
Electrical Component Tiedown Strap
in Electrical
Max diameter: 4", length: 14", natural color, plastic clip

MS3367-4-0
Electrical Component Tiedown Strap
in Electrical
Max diameter: 5/8", length: 3-1/2", black color, loop with eyelet, cable straps, MS3367 series tie strap
MS3367-6-0
Electrical Component Tiedown Strap
in Electrical
Maximum diameter: 8", length: 30", black color, MS3367 series tie wrap
More MS21318 drive screws
$0.23 Each, 1/4in. length, .073in. diameter round head drive screw cadmium plated carbon steel
3/16 length 0.073 inch diameter round head drive screw cadmium plated carbon steel
$0.23 Each, 1/8in. length, .073in. diameter round head drive screw cadmium plated carbon steel
$0.36 EA, Fastener Length: 5/8in.
$0.42 EA, Fastener Length: 1/2 inch u drive screw
$0.28 EA, Fastener Length: 1/2in.
Product Image Gallery
Product code MS21318-21





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'm a longtime customer very pleased with the scope of your catalog. Sales staff was very helpful.
The products sent allowed the repair to be completed in a timely manner. Thank you for Military Fasteners being there and having parts available to allow our vintage aircraft to continue flight.
As normal with Military Fasteners for many years, no issues. I order the parts needed and they send them. Just fair prices and good service.
Your service is great. I have use you for years and your service has always been great
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.