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NAS1801-4-20 Machine Screw
NAS1801-4-20 Machine Screw (2)
NAS1801-4-20 Machine Screw (3)
NAS1801-4-20 Machine Screw (4)
NAS1801-4-20 Machine Screw (5)
NAS1801-4-20 Machine Screw (6)
NAS1801-4-20 Machine Screw
NAS1801-4-20 Machine Screw (2)
NAS1801-4-20 Machine Screw (3)
NAS1801-4-20 Machine Screw (4)
NAS1801-4-20 Machine Screw (5)
NAS1801-4-20 Machine Screw (6)

Disclaimer: Actual product colors may vary slightly from the images shown due to different monitor settings and lighting conditions during photo shoots.

NAS1801-4-20 Machine Screw

Product Series
NAS
ECCN
EAR99
Schedule
7616.10.1000
Manufacturer certifications are shipped with your order FREE of charge
Unit of Measure: EA

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Head Style
Hexagon
Material
Steel
Surface Treatment
Cl 2 federal specification single treatment response type 2 qq-p-416
Thread Class
3a
Fastener Length
Between 1.234 inches and 1.281 inches
Head Height
Between 0.125 inches and 0.140 inches
Internal Drive Style
Cross recess type 1
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
Min. Tensile Strength (psi)
160000 pounds per square inch
Specification Data
80205-nas1801 professional/industrial association standard
Thread Diameter
0.250 inches
Thread Direction
Right-hand
Thread Length
Between 1.170 inches and 1.249 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