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

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NAS514P440-7P

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