Spec hardware, served at warp speed.

screws › machine screws

NAS1190-04T6

Screw

View quote list → Saved parts →

Description

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

Specifications

Fastener Length 0.344 inches minimum and 0.375 inches maximum
Hardness Rating 36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Diameter 0.205 inches minimum and 0.219 inches maximum
Head Height 0.070 inches minimum and 0.080 inches maximum
Head Style Pan Head
Internal Drive Style Offset cruciform (torque set)
Length 3/8
Locking Feature Patch threads or pellet threads or strip threads
Material Steel
Material Specification Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Specification Data 80205-nas1190 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches threads
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.294 inches minimum and 0.375 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNJC
Thread Size 4

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

Looking for a specific part? Use the cross-reference lookup.

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