AN148657
Aeronautical Standard Screw
email this to someone
Description:
* Manufacturer certifications are shipped with your order
FREE of charge
Fastener Length: 9/16", Hole Diameter: 1/16", Thread: 1/4-28, Head Width: 7/32", Thread Length: 9/16"

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
AN148657 Datasheet Features and Specification
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.501 inches minimum and 0.572 inches maximum
Fastener Length:
0.552 inches minimum and 0.572 inches maximum
Head Style:
Flat chamfer
Head Diameter:
0.428 inches minimum and 0.448 inches maximum
Head Height:
0.250 inches minimum and 0.270 inches maximum
Hole Diameter:
0.070 inches nominal
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.219 inches minimum and 0.221 inches maximum
Hole Quantity:
6
Hole Type:
Drilled
Thready Qty Per Inch (tpi):
28
Hardness Rating:
32.0 rockwell c minimum overall and 36.0 rockwell c maximum overall
Hole Configuration Style:
Round
Surface Finish:
32.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Material:
Steel comp 8740 overall
Material Specification:
Ams 6322 assn std single material response overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Ams 2400 assn std single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size | 1/4 |
Thread Qty | 28 |
Material | Steel |
Length | 9/16 |
Additional Information
SKU / Model: | AN148657 |
NSN: | 5305-00-286-0013 |
FSC: | Screws / 5305 |
Pack Weight (Approx.) | 0.000 lb |
Minimum Qty (MOQ): | 15 EA |
Schedule B: | 7318.15.2010 |
ECCN: | EAR99 |
National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
Download PDF Version AN148657_Military-Fasteners-com.pdf |
|
![]() |
* report an issue on this page
More machine screws
AN148859
Fastener Length: 11/16", Hole Diameter: 1/16", Thread: 3/8-24, Head Width: 5/16", Thread Length: 11/16"
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

Kevin S.
Great place to buy!
5.0
Morgan R.
The only hardware supplier that rushes to ship your order. Placed an order at 4pm, and they got it out same day.
5.0
Laurent D.
Best Support from you.
5.0
Kurt L.
Service was great, shipped and received with paperwork as promised, definitely would give a two thumbs up.
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.