Aeronautical Standard Machine Thread Plug

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tube outer diameter: 1/4", thread: 7/16-20, steel, with lockwire holes

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AN814-4L Features and Specification

Thread Class:
3a external
Thread Direction:
Right-hand external
Thread Length:
0.300 inches nominal external
Head Height:
0.250 inches nominal
Overall Length:
0.625 inches nominal
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Connection Style:
Body Core Diameter:
0.171 inches nominal
Core Depth:
0.296 inches minimum and 0.328 inches maximum
Bleeder Hole Center To Threaded End Distance:
0.188 inches nominal
Bleeder Hole Diameter:
0.062 inches nominal
Thread Size:
0.438 inches external
Steel comp 1137 overall
Material Specification:
66 fed std single material response overall
Surface Treatment:
Cadmium overall
Style Designator:
Plug, machine w/bleeder holes
Thread Series Designator:
Unf external

Additional Information

SKU / Model: AN8144L
Minimum Qty (MOQ): 2
NSN: 5365-00-278-8797
FSC: Bushings, Rings, Shims, and Spacers / 5365
National Motor Freight: 095190, Hardware, Noi Sub 9
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tube outer diameter: 3/8", thread: 9/16-18, aluminum alloy (7075), with lockwire holes


tube outer diameter: 3/8", thread: 9/16-18, steel - with lockwire holes"

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