NAS514P440-8B

Machine Screw

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Description:

Fastener Length: 1/2", Thread: 4-40, Thread Length: 1/2

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NAS514P440-8B Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.500 inches maximum
Fastener Length:
0.500 inches nominal
Head Style:
Flat countersunk
Head Diameter:
0.183 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):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Steel comp 8630
Screw Material Specification:
Mil-s-6050 mil spec single material response or an-s-9 mil std single material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec 1st treatment response and bulletin 65-8-cd assn std 1st treatment response and qq-p-416 ty 2 cl 3 fed spec 2nd treatment response
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Material Steel
Length 1/2

Additional Information

SKU / Model: NAS514P4408B
NSN: 5305-00-816-1704
FSC: Screws / 5305
Product Series: NAS514P440
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 25
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS514P440-8B_Military-Fasteners-com.pdf
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NAS514P440-9P

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NAS514P440-9

Fastener Length: 9/16", Thread: 4-40, Thread Length: 33/64"

NAS514P440-8P

Length: 1/2in., thread: 4-40 machine screw full thread philips recess alloy steel cad ii plated

NAS514P440-8

$0.29 Each, Fastener Length: 1/2in., Thread: 4-40, Thread Length: 1/2in.

NAS514P440-7P

$0.18 Each, Length: 7/16in., thread: 4-40 machine screw full thread philips recess alloy steel cad II plated

NAS514P440-7B

$0.84 EA, Fastener Length: 7/16in., Thread: 4-40, Thread Length: 25/64in.

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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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Order was placed with ease, confirmation received in minutes, delivery by UPS ground in one day. Reasonable price, easy installation. Great service as always.

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