MS51966-66

Military Standard Machine Screw

email this to someone  
Description:

Fastener Length: 7/8", Thread: 1/4-28, Head Width: 1/8", Thread Length: 7/8", setscrew

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Notice: MS51966-66 is currently unavailable for immediate purchase. Click the button below to add this item to the request a quote form and receive an official pricing and availability quote by email.

Add to Quote

MS51966-66 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.860 inches minimum and 0.890 inches maximum
Fastener Length:
0.860 inches minimum and 0.890 inches maximum
Head Style:
Headless (setscrew)
Point Style:
Flat
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.125 inches nominal
Thready Qty Per Inch (tpi):
28
Hardness Rating:
45.0 rockwell c minimum overall and 53.0 rockwell c maximum overall
Material:
Steel comp 4032 overall or steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 3 fed spec all treatment responses overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 7/8

Additional Information

SKU / Model: MS5196666
NSN: 5305-00-728-6323
FSC: Screws / 5305
Product Series: MS51966
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS51966-66_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More MS51966 machine screws

MS51966-87

$5.10 EA, Fastener Length: 3/8in., Thread: 3/8-24, Head Width: 3/16in., Thread Length: 3/8in.

MS51966-80

Fastener Length: 1-1/64", Thread: 5/16-24, Head Width: 5/32", Thread Length: 1-1/64"

MS51966-67

Fastener Length: 0-1/1", Thread: 1/4-28, Head Width: 1/8", Thread Length: 0-1/1"

MS51966-147

Fastener Length: 1/2", Thread: 3/8-24, Head Width: 3/16", Thread Length: 1/2"

MS51966-123

Fastener Length: 5/16", Thread: 1/4-28, Head Width: 1/8", Thread Length: 5/16"

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

Google View our Google profile

Discovered on Wednesday evening I needed a new tire / tube. I had it in my hands Friday in time for a weekend install. Great service!!

5.0

I have purchased most of my aviation needs from Military Fasteners for the last 5 years. You have provided me with the products that I have needed,with a price that is fair and a delivery on time. Thanks!

5.0

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.

5.0

All of my orders have originated thru your online system and have arrived on time as advertised. Your system performs great. I can decide while ordering how I want it shipped and what cost. All things said, I find your system very easy to order thru.

5.0