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NAS5900-6

Screw

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Description

Fastener Length: 3/8", Thread: 4-40, Thread Length: 3/8"

Specifications

Fastener Length 0.350 inches minimum and 0.380 inches maximum
Head Height 0.049 inches minimum and 0.060 inches maximum
Head Style Hexagon Head
Internal Drive Style Tri-wing recess
Length 3/8
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Screw Material Steel comp e4340 or steel comp 8740
Screw Material Specification Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Qq-p-416 type 2 class 2 fed spec single treatment response
Specification Data 80205-nas5900 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.300 inches minimum and 0.380 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNJC
Thread Size 4
Width Between Flats 0.181 inches minimum and 0.189 inches maximum

Other sizes

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Catalog data updated 2026-07-05. Report a data error