AN508-4-5

Aeronautical Standard Machine Screw

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Description:

Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4",

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AN508-4-5 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.312 inches maximum
Fastener Length:
0.312 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:
Tin or silver
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Length 1/4

Additional Information

SKU / Model: AN50845
NSN: 5305-00-271-8306
FSC: Screws / 5305
Product Series: AN508
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
Schedule B: 7415.33.8050
ECCN: EAR99
National Motor Freight: 096630, Screws Noi Brass / Bronze / Copper
Download PDF Version
AN508-4-5_Military-Fasteners-com.pdf
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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.

AN508-4-3

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

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5.0

Fantastic experience. I ordered the wrong part.....1 call and an RMA issued with the correct part put on the way. Impressive service. Locked me in as a customer for life!

5.0

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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!

4.0