NAS1351C4LL6

Socket Head Screw

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Description:

Fastener Length: 1-3/4", Thread: 1/4-28, Head Width: 3/16", Thread Length: 1-"

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NAS1351C4LL6 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.000 inches nominal
Fastener Length:
1.750 inches nominal
Head Style:
Flat chamfer
Head Diameter:
0.365 inches minimum and 0.375 inches maximum
Head Height:
0.244 inches minimum and 0.250 inches maximum
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.188 inches nominal
Thready Qty Per Inch (tpi):
28
Chamfer Angle:
30.0 degrees minimum and 45.0 degrees maximum
Material:
Steel corrosion resisting overall
Material Specification:
Nas1351 national spec single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Ams2700,method 1,type 6 or 7,class 1 assn std single treatment response overall
Thread Series Designator:
Unrf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Stainless Steel
Length 1-3/4

Additional Information

SKU / Model: NAS1351C4LL6
NSN: 5305-01-603-5716
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Download PDF Version
NAS1351C4LL6_Military-Fasteners-com.pdf
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5.0

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.

5.0

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