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NAS1216-04E5

Machine Screw

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Description

Fastener Length: 5/16", Thread: 4-40, Thread Length: 5/16"

Specifications

Fastener Length 0.297 inches minimum and 0.327 inches maximum
Head Diameter 0.205 inches minimum and 0.219 inches maximum
Head Height 0.058 inches minimum and 0.068 inches maximum
Head Style Pan no. 2
Internal Drive Style High-torque
Length 5/16
Material Iron
Min. Tensile Strength (psi) 160000 pounds per square inch
Screw Material Iron alloy 660
Screw Material Specification Ams 5735 assn std single material response
Screw Surface Treatment Passivate
Screw Surface Treatment Specification Qq-p-35 fed spec single treatment response
Specification Data 80205-nas1216 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.247 inches minimum and 0.327 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

No interchangeable or dimensionally similar parts are on record for NAS1216-04E5. Try the cross-reference lookup to search by a different part number.

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