AN531-4-4

Aeronautical Standard Screw

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Description:

Fastener Length: 1/4"

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AN531-4-4 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:
Slot
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: AN53144
NSN: 5305-00-167-2348
FSC: Screws / 5305
Product Series: AN531
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 35 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN531-4-4_Military-Fasteners-com.pdf
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AN531-10R16

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My order was a small order of hardware. The order arrived well packaged, in a timely manner via US mail. I continue to receive excellent service from Military Fasteners. Thank You!

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As always, orders are shipped promptly and received when expected. Rarely can you find products at lower cost than at Military Fasteners. The web site is easy to use. My favorite place to order from. When looking for aviation products, I always go to Military Fasteners first.

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Fantastic service. Part ordered Monday. Received Wednesday Though customs etc and across America the North Atlantic then UK. Amazing well done and thanks.

5.0

I have been using Military Fasteners and have always had great service. Just this week I realized late in the day that we needed another part and I was able to add it to the order I had placed that morning. Being a small FBO on a shoestring budget that saved shipping cost and potential delays. Thanks Military Fasteners.

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