Part Number: 212-030-357-1

Description: Machine Screw for Bell 212 NSN 5305-00-431-6912.

Properties

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.898 inches and 0.969 inches

Fastener Length:

Between 1.459 inches and 1.479 inches

Head Style:

Pan

Head Diameter:

Between 0.473 inches and 0.492 inches

Head Height:

Between 0.162 inches and 0.175 inches

Internal Drive Style:

Cross recess type 1

Thread Diameter:

0.250 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

125000 pounds per square inch

Hardness Rating:

Between 26.0 rockwell c and 32.0 rockwell c

Screw Material:

Steel comp 8630 or steel comp 4037

Screw Material Specification:

Mil-s-6050jgcams 6300 military specification 1st material response

Screw Surface Treatment:

Cadmium and chromate

Screw Surface Treatment Specification:

Qq-p-416, type 2, class 3 federal specification all treatment responses

Thread Series Designator:

Unf

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