AN507PB440-5

Aeronautical Standard Screw

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Description:

Fastener Length: 5/16", Thread: 4-40, Thread Length: 5/16"

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AN507PB440-5 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.262 inches minimum and 0.312 inches maximum
Fastener Length:
0.281 inches minimum and 0.312 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.200 inches minimum and 0.225 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
55000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Copper alloy
Screw Material Specification:
Qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec all treatment responses
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Length 5/16

Additional Information

SKU / Model: AN507PB4405
NSN: 5305-00-807-1899
FSC: Screws / 5305
Product Series: AN507PB440
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 096630, Screws Noi Brass / Bronze / Copper
Download PDF Version
AN507PB440-5_Military-Fasteners-com.pdf
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Best source for mil spec hardware. Website is user friendly, inventory is expansive, overnight shipment is a huge plus, and customer support is responsive and very helpful.

5.0

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

Big inventory. Quick response to orders. Good customer service

5.0

Your website was easy to use and checkout was a breeze. My part was shipped right away and I received it quickly. Excellent service all around! Thanks to you all.

4.0