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NAS1153-9

0.838 Inch Length NAS1153 100 Degree Close Tolerance Machine Screw

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Description

Length: 27/32", Thread: 12-32, Thread Length: 1/4", NAS1153 series screw

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Country of Origin USA
Fastener Length 0.823 inches minimum and 0.853 inches maximum
Finish Cadmium Plated, Type II, Class 2 per QQ-P-416
Grip 0.562 in
Grip Diameter 0.1885 inches minimum and 0.1895 inches maximum
Grip Length 0.562
Hardness Rating 36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Angle 100 º
Head Diameter 0.328 inches minimum and 0.385 inches maximum
Head Style Flat countersunk
Head Type Offset Cruciform
Industry Standards/Certification NAS1153
Internal Drive Style Offset cruciform (torque set)
Length 0.838 in, 27/32
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
Sold In Per Package
Specification Data 80205-nas1153 professional/industrial association standard
Surface Finish 32.0 microinches grip, 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 0.192
Thread Direction Right-hand
Thread Length 0.276 inches minimum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJF
Thread Size 12
Weight .005 lb

Cross-reference

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