MS51957-4
Military Standard Machine Screw
length: 5/16", thread: 2-56, pan head screw, corrosion resistant steel, coarse thread, MS51957 series screw






MS51957-4 Datasheet Features and Specification
Quick Specs
Thread Size | 2 |
Thread Qty | 56 |
Thread Series | UNC |
Thread Class | 2A |
Drive Style | Cross |
Material | Steel |
Length | 5/16 |
Additional Information
SKU / Model: | MS519574 |
NSN: | 5305-00-054-5638 |
FSC: | Screws / 5305 |
Product Series: | MS51957 |
Pack Weight (Approx.) | 0.065 lb |
Minimum Qty (MOQ): | 100 |
Schedule B: | 7318.15.6080 |
ECCN: | EAR99 |
National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
Download PDF Version MS51957-4_Military-Fasteners-com.pdf |
|
![]() ![]() |
* report an issue on this page
Frequently bought together
Other customers frequently bought these along with MS51957-4

MS35338-134
Lock Washer
in Washers
Fits diameter: #2, split style, corrosion resistant stainless steel, MS35338 series washer

MS35338-135
Lock Washer
in Washers
Diameter: #4, outside diameter .209, corrosion resistant, stainless steel, split locking mechanism, MS35338 series washer

MS51957-15
Machine Screw
in Screws
Length: 3/8", thread: 4-40, pan head, corrosion resistant steel, coarse thread, MS51957 series screw

NAS620C2
Flat Washer
in Washers
Diameter: 0.086, thickness .016, size: #2, corrosion resistant, stainless steel, passivated, NAS620 series washer

MS35649-224
Plain Hexagon Nut
in Nuts
Thread: 2-56, corrosion resistant steel, coarse thread, MS35649 series nut

MS51957-14
Machine Screw
in Screws
Length: 5/16", thread: 4-40, pan head, corrosion resistant steel, coarse thread, MS51957 series screw
More MS51957 machine screws
$0.24 Each, Length: 3/4in., black oxide
Length: 3/4in. thread: 2-56 pan head screw corrosion resistant steel coarse thread
$0.24 EA, Fastener Length: 5/8in., Thread: 2-56, Thread Length: 5/8in.
5305-00-071-2093 Machine Screw
$3.54 EA, Fastener Length: 1-3/4in., Thread: 1/4-20, Thread Length: 1-3/4in.
$0.42 EA, Fastener Length: 1-1/2in., Thread: 1/4-20, Thread Length: 1-1/2in.
Product Image Gallery
Product code MS51957-4





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

I recently had the pleasure of working with Military Fasteners and I couldn't be more satisfied with the experience. Trisha Hawkins provided exceptional customer service and went above and beyond to ensure I found exactly what I needed. The quality of the fasteners is top-notch and the delivery was prompt. I highly recommend Military Fasteners for their outstanding products and excellent service. Thank you, Trisha, for making the process so smooth and efficient!
Military Fasteners has always provided me with top-notch service. I receive my orders quickly.
Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.
A quality product and an even better quality of people at Military Fasteners! Thank you Military Fasteners!
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.