AN507-428R20

Aeronautical Standard Screw

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Description:

Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 1-11/64"

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AN507-428R20 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
1.179 inches minimum
Fastener Length:
1.188 inches minimum and 1.250 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.462 inches minimum and 0.507 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
55000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Steel comp 2330
Screw Material Specification:
Sae assn std single 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
Nondefinitive Specification/std Data:
3 type and 3c style
Departure From Cited Designator:
As modified by material,as modified by min tensile strength,as modified by hardness rating
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-1/4

Additional Information

SKU / Model: AN507428R20
NSN: 5305-00-156-2403
FSC: Screws / 5305
Product Series: AN507
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 95 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN507-428R20_Military-Fasteners-com.pdf
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Military Fasteners had the best price and I received my order very quickly. I pretty much order all of my parts, etc. from Military Fasteners. Thanks

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5.0

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!

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Order was shipped extremely fast. I dont know how you get these orders shipped as fast as you do. Everything was perfect. Thanks

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