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

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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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