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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