NAS1801-4-18

Machine Screw

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Description:

Fastener Length: 1-5/32", Thread: 1/4-28, Thread Length: 1-5/64

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NAS1801-4-18 Datasheet Features and Specification

Fastener Length:
Between 1.109 inches and 1.156 inches
Hardness Rating:
Between 36.0 rockwell c and 40.0 rockwell c
Head Height:
Between 0.125 inches and 0.140 inches
Head Style:
Hexagon
Internal Drive Style:
Cross recess type 1
Min. Tensile Strength (psi):
160000 pounds per square inch
Thread Diameter:
0.250 inches
Screw Material:
Steel comp e4340 or steel comp 8740
Screw Material Specification:
Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty2 cl2 federal specification single treatment response
Specification Data:
80205-nas1801 professional/industrial association standard
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 1.045 inches and 1.092 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Width Between Flats:
Between 0.367 inches and 0.376 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: NAS1801418
NSN: 5305-01-194-4970
FSC: Screws / 5305
Product Series: NAS1801
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1801-4-18_Military-Fasteners-com.pdf
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Well I used Military Fasteners for this order because they are close to me in florida.

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I've been buying from Military Fasteners for about 2 years. In that time, I don't ever recall having a bad experience. Please keep up the great work and continue offering the fair prices, fast shipping and excellent customer service.

4.0

Thanks for the quick delivery! Arrived quickly and in perfect condition. As usual with Military Fasteners. I'll be back!

5.0

Everything arrived quickly and correctly. I'm a longtime customer and find your service to be always top of the line.

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