Part Number: MS51960-111

Description: Machine Screw for Bell 171 NSN 5305-00-058-5051.

Properties

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.542 inches and 0.625 inches

Fastener Length:

0.625 inches

Head Style:

Flat countersunk

Head Diameter:

Between 0.685 inches and 0.762 inches

Internal Drive Style:

Cross recess type 1

End Application:

W/s: aircraft, c-2a (reprocured); helicopter, carrier based asw, sh-60f; fms-knox class ff; helicopter, search and rescue, hh-60h; helicopter, mh-53e; helicopter, uscg search and rescue, hh-60j; mobile subscriber equipment (mse); aircraft, prowler ea-6b; helicopter, advance attack, ah-1w; lav, anti-tank

Thread Diameter:

0.375 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

80000 pounds per square inch

Countersink Angle:

Between 80.0 degrees and 82.0 degrees

Screw Material:

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

Screw Material Specification:

66 federal standard all material responses

Screw Surface Treatment:

Passivate

Screw Surface Treatment Specification:

Qq-p-35 federal specification single treatment response

Thread Series Designator:

Unf

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