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AN515C4-3

Aeronautical Standard Screw

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Description

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

Specifications

Fastener Length 0.156 inches minimum and 0.188 inches maximum
Head Diameter 0.193 inches minimum and 0.211 inches maximum
Head Height 0.086
Head Style Round Head
Internal Drive Style Slot
Length 3/16
Material Steel
Nondefinitive Specification/Std Data 1 type and 1s style and 4-40 size
Screw Material Steel comp 301 or steel comp 430
Screw Material Specification Qq-s-763 fed spec all material responses
Screw Surface Treatment Passivate
Screw Surface Treatment Specification Qq-p-35 fed spec single treatment response
Specification Data 81348-ff-s-92 government specification and 88044-an515/canceled/ government standard
Thread Class 2a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.156 inches minimum and 0.188 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNC
Thread Size 4

Other sizes

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