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NAS1190-08P20B

Screw

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Description

Fastener Length: 1-1/4", Thread: 8-32, Thread Length: 1-1/4"

Specifications

Fastener Length 1.188 inches minimum and 1.250 inches maximum
Hardness Rating 36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Diameter 0.306 inches minimum and 0.322 inches maximum
Head Height 0.105 inches minimum and 0.115 inches maximum
Head Style Pan Head
Internal Drive Style Cross recess type 1
Length 1 1/4
Locking Feature Patch threads
Material Plastic
Material Specification Mil-s-5626 mil spec 1st material response fastener or mil-s-8844 mil spec 2nd material response fastener or ams6414 assn std 2nd material response fastener or mil-s-6049 mil spec 3rd material response fastener
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 ty2 cl2 fed spec single treatment response fastener
Thread Class 3a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 1.126 inches minimum and 1.250 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJC
Thread Size 8

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