MS27577-4-18

Military Standard Screw

email this to someone  
Description:

Fastener Length: 1-9/16", Thread: 1/4-28, Thread Length: 21/64"

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

MS27577-4-18 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.282 inches minimum and 0.333 inches maximum
Fastener Length:
1.543 inches minimum and 1.563 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.449 inches minimum and 0.507 inches maximum
Locking Feature:
Detent ball grip
Grip Diameter:
0.2483 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
1.125 inches minimum and 1.141 inches maximum
Thready Qty Per Inch (tpi):
28
Hardness Rating:
36.0 rockwell c minimum overall and 41.0 rockwell c maximum overall
Countersink Angle:
100.0 degrees nominal
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.443 inches minimum first hole and 1.563 inches maximum first hole
Surface Finish:
63.0 microinches grip
Surface Finish:
63.0 microinches top of head
Material:
Steel overall
Material Specification:
Mil-b-83050 mil spec single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-9/16

Additional Information

SKU / Model: MS27577418
NSN: 5305-00-121-8895
FSC: Screws / 5305
Product Series: MS27577
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS27577-4-18_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More MS27577 close tolerance screws

MS27577-4-13

Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 21/64"

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

Jasmine is great! Very kind and helpful. My parts came in EARLY and shipped the same day I ordered!

5.0

highly recommend, great service. Kristen B was very helpful and got what I needed. great customer service

5.0

Great service when calling in orders, very knowledgeable staff. The web site is also very user friendly for ordering and shipping is quick. I give it a 5 star rating.

5.0