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NAS1190-4T12BW

Screw

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Description

Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 3/4"

Specifications

Fastener Length 0.719 inches minimum and 0.750 inches maximum
Head Diameter 0.473 inches minimum and 0.492 inches maximum
Head Height 0.162 inches minimum and 0.175 inches maximum
Head Style Pan Head
Internal Drive Style Torque set
Length 3/4
Locking Feature Patch
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Screw Material Steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Material Specification Mil-s-5626 mil spec 1st material response or mil-s-8844 mil spec 2nd material response or ams 6414 assn std 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment Cadmium
Screw Surface Treatment Specification Qq-p-416 ty 1 fed spec single treatment response
Specification Data 80205-nas1190 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.719 inches minimum and 0.750 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4

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.

  • NAS604-12 NAS 1/4-28 · 3/4 in · Pan Head · Steel
  • NAS604-12P NAS 1/4-28 · 3/4 in · Pan Head · Steel

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