NAS514P440-4B

Screw

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Description:

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

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NAS514P440-4B Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.250 inches maximum
Fastener Length:
0.250 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):
125 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 1/4

Additional Information

SKU / Model: NAS514P4404B
NSN: 5305-00-816-1188
FSC: Screws / 5305
Product Series: NAS514P440
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 85 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS514P440-4B_Military-Fasteners-com.pdf
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NAS514P440-9

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NAS514P440-8P

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

NAS514P440-8B

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

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

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The products sent allowed the repair to be completed in a timely manner. Thank you for Military Fasteners being there and having parts available to allow our vintage aircraft to continue flight.

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Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

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