NAS1801-5-20

Machine Screw

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Description:

Fastener Length: 1-9/32", Thread: 5/16-24, Thread Length: 1-3/16

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NAS1801-5-20 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.151 inches minimum and 1.198 inches maximum
Fastener Length:
1.234 inches minimum and 1.281 inches maximum
Head Style:
Hexagon
Head Height:
0.156 inches minimum and 0.171 inches maximum
Width Between Flats:
0.429 inches minimum and 0.439 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.312 inches
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
160000 pounds per square inch
Screw Material:
Steel comp e4340 or steel comp 8740
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416,ty2,cl2 fed spec single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas1801 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 1-9/32

Additional Information

SKU / Model: NAS1801520
NSN: 5305-01-438-8446
FSC: Screws / 5305
Product Series: NAS1801
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1801-5-20_Military-Fasteners-com.pdf
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NAS1801-6-14

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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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Very good process

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