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NAS1191E04P3L

Bolt

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Description

Fastener Length: 3/16", Thread: 4-40, Thread Length: 3/16"

Specifications

Fastener Length 0.157 inches minimum and 0.188 inches maximum
Head Diameter 0.178 inches minimum and 0.183 inches maximum
Head Height 0.059 inches minimum and 0.069 inches maximum
Head Style Flat chamfer
Internal Drive Style Cross recess type 1
Length 3/16
Locking Feature Strip threads
Material Iron
Min. Tensile Strength (psi) 160000 pounds per square inch
Specification Data 80205-nas1191 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches threads
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.107 inches minimum and 0.188 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNJC
Thread Size 4

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

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