HT4049-4-5
Screw
email this to someone
Description:
* Manufacturer certifications are shipped with your order
FREE of charge
Fastener Length: 41/64", Thread: 1/4-28, Thread Length: 21/64"

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
Add to Quote
HT4049-4-5 Datasheet Features and Specification
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.291 inches minimum and 0.341 inches maximum
Fastener Length:
0.613 inches minimum and 0.643 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.497 inches minimum and 0.507 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:
0.302 inches minimum and 0.322 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp xm-13 overall
Material Specification:
Ams 5629 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size | 1/4 |
Thread Qty | 28 |
Material | Steel |
Length | 41/64 |
Additional Information
SKU / Model: | HT404945 |
NSN: | 5305-01-146-6141 |
FSC: | Screws / 5305 |
Product Series: | HT4049 |
Pack Weight (Approx.) | 0.000 lb |
Minimum Qty (MOQ): | 5 EA |
Schedule B: | 7318.15.6080 |
ECCN: | 9A991 |
National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
Download PDF Version HT4049-4-5_Military-Fasteners-com.pdf |
|
![]() |
* report an issue on this page
More HT4049 machine screws
HT4049-4-8
Fastener Length: 53/64", Thread: 1/4-28, Thread Length: 21/64"
HT4049-4-10
Fastener Length: 61/64", 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

Franklin P.
Great Delivery time, thanks for your fast response Trisha H
4.0
Joe F.
Good service, fast delivery
5.0
Nico P.
Yall keep me flying. The service is always prompt and accurate. Thanks so much.
4.0
Octavia S.
Enjoyed the order experience. Easy to find. Easy to order.
5.0
Something isn't right
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.
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.