AN531-4R4
Aeronautical Standard Screw
email this to someone
Description:
* Manufacturer certifications are shipped with your order
FREE of charge
Fastener Length: 1/4"

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
AN531-4R4 Datasheet Features and Specification
Fastener Length:
0.250 inches nominal
Head Style:
Flat countersunk
Head Diameter:
0.216 inches minimum and 0.225 inches maximum
Internal Drive Style:
Cross recess type 1
Nonmachine Thread Style:
Dog type (type b or c)
Countersink Angle:
80.0 degrees minimum and 82.0 degrees maximum
Nonmachine Thread Diameter:
0.112 inches
Material:
Steel comp 4130 overall
Material Specification:
Qq-s-685 cond n fed spec single material response overall
Surface Treatment:
Cadmium overall or zinc overall
Quick Specs
Material | Steel |
Length | 1/4 |
Additional Information
SKU / Model: | AN5314R4 |
NSN: | 5305-00-167-2373 |
FSC: | Screws / 5305 |
Product Series: | AN531 |
Pack Weight (Approx.) | 0.000 lb |
Minimum Qty (MOQ): | 40 EA |
Schedule B: | 7318.15.6080 |
ECCN: | 9A991 |
National Motor Freight: | 093486, Bolts,nuts Or Screws, Noi (sub 3) |
Download PDF Version AN531-4R4_Military-Fasteners-com.pdf |
|
![]() |
* report an issue on this page
More AN531 machine screws
AN531C6-8
Fastener Length: 1/2"
AN531-6R12
Fastener Length: 3/4"
AN531-4R10
Fastener Length: 5/8"
AN531-4-4
Fastener Length: 1/4"
AN531-10R8
Fastener Length: 1/2"
AN531-10R16
Fastener Length: 0-63/64"
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

Emanuel R.
Always great with your orders. Ordered 2 tires on a Sunday and they were delivered on Tuesday with free shipping and no tax.
4.0
Melissa D.
MF rocks!!
5.0
Jeff C.
We were able to find the parts needed at a competitive price. Jasmine Morales was helpful in fulfilling this order.
5.0
Jessica B.
A very well-run business.
4.0
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.