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NAS1189-08P10

Screw

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Description

Fastener Length: 5/8", Thread: 8-32, Thread Length: 35/64"

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Fastener Length 0.594 inches minimum and 0.625 inches maximum
Hardness Rating 36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Diameter 0.270 inches minimum and 0.332 inches maximum
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 5/8
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-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Specification Data 80205-nas1189 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 3 fed spec all treatment responses
Thread Class 3a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 0.464 inches minimum and 0.557 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