AN508-4-3

Aeronautical Standard Screw

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Description:

Fastener Length: 3/16", Thread: 4-40, Thread Length: 3/16"

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AN508-4-3 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.188 inches maximum
Fastener Length:
0.188 inches nominal
Head Style:
Round
Head Diameter:
0.193 inches minimum and 0.211 inches maximum
Head Height:
0.075 inches minimum and 0.087 inches maximum
Internal Drive Style:
Slot
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Screw Material:
Copper alloy
Screw Material Specification:
Qq-b-613 fed spec single material response or qq-w-321 fed spec single material response
Screw Surface Treatment:
Nickel and copper
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Length 3/16

Additional Information

SKU / Model: AN50843
NSN: 5305-00-206-3285
FSC: Screws / 5305
Product Series: AN508
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7415.33.8050
ECCN: EAR99
National Motor Freight: 096630, Screws Noi Brass / Bronze / Copper
Download PDF Version
AN508-4-3_Military-Fasteners-com.pdf
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More AN508 machine screws

AN508-6-6

Fastener Length: 3/8", Thread: 6-32, Thread Length: 3/8"

AN508-6-5

$4.08 EA, Fastener Length: 5/16in., Thread: 6-32, Thread Length: 5/16in.

AN508-6-4

$0.28 EA, Fastener Length: 1/4in., Thread: 6-32, Thread Length: 1/4in.

AN508-6-3

Machine Screw 5305-00-282-9939, Fastener Length: 3/16in., Thread: 6-32, Thread Length: 3/16in.

AN508-4-5

Fastener Length: 1/4in., Thread: 4-40, Thread Length: 1/4in.

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Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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