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NAS1801-3-11

Hex Head Screw

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Description

Hex Head Screw

Specifications

Country of Origin USA
Drive Style Cross
Fastener Length Between 0.672 inches and 0.719 inches
Hardness Rating Between 36.0 rockwell c and 40.0 rockwell c
Head Height Between 0.105 inches and 0.120 inches
Head Style Hexagon Head
Internal Drive Style Cross recess type 1
Material Steel
Material Specification Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response
Min. Tensile Strength (psi) 160000 pounds per square inch
NIIN 01-078-8036
NSN 5305-01-078-8036
Sold In Per Package
Specification Data 80205-nas1801 professional/industrial association standard
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 cl 2 federal specification single treatment response
Thread Class 3a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length Between 0.608 inches and 0.687 inches
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Weight 0.003 lb
Width Between Flats Between 0.305 inches and 0.314 inches

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