Part Number: 209-001-342-1

Description: Externally Relieved Body Bolt for Bell 209 NSN 5306-00-089-9823.

Properties

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.327 inches and 0.367 inches

Fastener Length:

Between 0.427 inches and 0.447 inches

Head Style:

Crowned hexagon

Head Height:

Between 0.621 inches and 0.631 inches

Width Between Flats:

0.562 inches

First Diameter From Head:

Between 0.302 inches and 0.322 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter:

Between 0.080 inches and 0.100 inches

Thread Diameter:

0.375 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

125000 pounds per square inch

Externally Relieved Body Diameter Quantity:

Material:

Steel comp e4340

Material Specification:

Mil-s-5000, c4 military specification single material response

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-o-416, cl 2 federal specification all treatment responses

Thread Series Designator:

Unf

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