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NAS1578C3T6

0.738 Inch Length NAS1578 Flat Pan Head Bolt

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Description

Fastener Length: 3/4", Thread: 10-32, Thread Length: 3/8"

Specifications

Country of Origin USA
Fastener Length 0.723 inches minimum and 0.753 inches maximum
Grip 0.375 in
Grip Diameter 0.1885 inches minimum and 0.1895 inches maximum
Grip Length 0.365 inches minimum and 0.385 inches maximum
Grip Tolerance ±0.010 in
Head Diameter 0.360 inches minimum and 0.374 inches maximum
Head Height 0.115 inches minimum and 0.125 inches maximum
Head Style Pan no. 2
Head Type Flat Pan
Industry Standards/Certification NAS1578
Internal Drive Style Offset cruciform (torque set)
Length 0.738 in, 3/4
Material Iron
Material Specification Ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Special Features Internal drive ribbed
Specification Data 80205-nas1578 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length 0.338 inches minimum and 0.388 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJF
Thread Size 10-32
Weight .005 lb

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