AN520-6R4

Aeronautical Standard Screw

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Description:

Fastener Length: 7/32", Thread: 6-40, Thread Length: 13/64"

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AN520-6R4 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.200 inches minimum and 0.250 inches maximum
Fastener Length:
0.219 inches minimum and 0.250 inches maximum
Head Style:
Round
Head Diameter:
0.240 inches minimum and 0.260 inches maximum
Head Height:
0.103 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.138 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
55000 pounds per square inch
Screw Material:
Steel or steel comp 1010
Screw Material Specification:
Qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response
Screw Surface Treatment:
Cadmium
Screw Surface Treatment Specification:
Qq-p-416,ty 1,cl 3 fed spec single treatment response
Thread Series Designator:
Unf
Departure From Cited Designator:
As modified by internal drive styl and internal drive location
Quick Specs
Thread Size 6
Thread Qty 40
Material Steel
Length 1/4

Additional Information

SKU / Model: AN5206R4
NSN: 5305-00-151-1242
FSC: Screws / 5305
Product Series: AN520
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 95 EA
Schedule B: 7318.15.4000
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN520-6R4_Military-Fasteners-com.pdf
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Customer Reviews

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A very positive experience. As usual. the part arrived on time and is now installed and fully functional. Thank you.

4.5

I can say that Military Fasteners was able to deliver the part to me very quickly. I live in a very remote area in the Tennessee mountains and typically have to wait up to two weeks to receive deliveries. Sometimes, the delivery guys cannot find my house at all, and they have to leave my packages at the local general store. But with Military Fasteners, my packages always find my front door step and in great condition. This package arrived nearly a week earlier than expected, and that was over the New Years holiday! Great work, Military Fasteners, on your delivery service. Thanks!

4.0

5.0

Your service is great. I have use you for years and your service has always been great

4.0