NAS1578C4H3

Bolt

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Description:

Fastener Length: 19/32", Thread: 1/4-28, Thread Length: 3/8"

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NAS1578C4H3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.403 inches nominal
Fastener Length:
0.585 inches minimum and 0.605 inches maximum
Head Style:
Pan no. 2
Head Diameter:
0.477 inches minimum and 0.492 inches maximum
Head Height:
0.140 inches minimum and 0.150 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
0.177 inches minimum and 0.197 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall or ams 5735 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1578 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 19/32

Additional Information

SKU / Model: NAS1578C4H3
NSN: 5305-01-259-9762
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS1578C4H3_Military-Fasteners-com.pdf
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NAS1578C4T22

Fastener Length: 1-25/32", Thread: 1/4-28, Thread Length: 27/64"

NAS1578C4T10

Fastener Length: 1-1/32", Thread: 1/4-28, Thread Length: 27/64"

NAS1578C4R9

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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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