ST3M455-4L20-1

Screw

email this to someone  
Description:

Fastener Length: 1-47/64", Thread: 1/4-28, Thread Length: 31/64"

* 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

ST3M455-4L20-1 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.444 inches minimum and 0.494 inches maximum
Fastener Length:
1.704 inches minimum and 1.734 inches maximum
Head Style:
Fillister countersunk
Head Diameter:
0.389 inches minimum and 0.394 inches maximum
Head Height:
0.015 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
1.240 inches minimum and 1.260 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Material:
Steel corrosion resisting overall
Material Specification:
23-112,fscm 76301 mfr ref single material response overall
Surface Treatment:
Passivate overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Stainless Steel
Length 1-47/64

Additional Information

SKU / Model: ST3M4554L201
NSN: 5305-00-316-8103
FSC: Screws / 5305
Product Series: ST3M455
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
ST3M455-4L20-1_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More ST3M455 machine screws

ST3M455-6L10M

Fastener Length: 1-9/32", Thread: 3/8-24, Thread Length: 21/32"

ST3M455-5L8-1

Thread: 1/4-24, Thread Length: 1/2"

ST3M455-5L13-1

Fastener Length: 1-11/32", Thread: 1/4-24, Thread Length: 35/64"

ST3M455-5L12-1

Fastener Length: 1-9/32", Thread: 1/4-24, Thread Length: 35/64"

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

Got my new Beacon light for 172R works fine. Always get good service from Military Fasteners... Keep up the good work!

5.0

Very speedy order processing and reasonable shipping time. Its almost like walking next door to a favorite aircraft supply house.

5.0

The order was complete and arrived by mail in short order. The staff who took my order was very helpful and answered my questions. Very pleased, thanks to military fasteners

5.0

Kristen Belmont makes my good purchase experience, very kindly

5.0