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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I placed this order late at 4:15 over the phone, 15 minutes past the cut off time.(Which rarely happens) It was critical for us to get the sparkplugs as a customer had called me and scheduled to bring his plane in the next day to have all his plugs replaced. My sales agent said she would personally go and pull the product so it would ship that day, and she did what she said. She saved me the embarrassment of telling my customer I forgot to order his parts on time and making him reschedule a maintenance visit. I am thankful you have people like her who really care about the customer and want to put in the extra effort for customer service. In my aircraft maintenance business I purchase everything I can first from Military Fasteners before I go looking for other venders. I use Military Fasteners because of the great customer service, free shipping (which is one day ground), large selection on hardware and materials, and competitive prices. I am a loyal customer and I order 2-3+ times a week. Thank you for the great service that your people provide at Military Fasteners.

5.0

Very good service as always. Ive been a customer for years. My go to parts store.

4.0

I routinely use Military Fasteners and have them on our Approved Vendor List. They already understand traceability requirements and their website always seems up to date and accurate. Same day shipping is a big deal for us as well."

5.0

Professional & timely in responses & delivery.

5.0