5306-00-726-4454

Find complete technical information, availability, and procurement data for: 5306-00-726-4454
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-726-4454

Item Name Code

15903

Assigment Date

01/01/1961 (65 years ago)

A shaft used to transmit to the propeller the torque generated by the main engine of a ship and also to transfer the propeller thrust to the thrust block.

0.645 inches minimum thread length, right-hand thread direction, double hexagon w/hole head style, 3a thread class, 1.895 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.645 inches minimum
Fastener Length: 1.895 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.388 inches nominal
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Extended Washer Diameter: 0.639 inches minimum and 0.649 inches maximum
Extended Washer Thickness: 0.091 inches nominal
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Single Shear Strength: 108000 pounds per square inch
Nominal Thread Diameter: 0.375 inches
Grip Length: 1.250 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp e4340 or steel comp 8740 or steel comp 6150 or steel comp 4140 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-5626 mil spec 4th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator: unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
MS21250-06020	Shear Bolt
VFJK100G-06020	Shear Bolt
VFK100G-06020	Shear Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-00-726-4454?

The FSCG of the NSN 5306-00-726-4454 is 5306

Does the NSN 5306-00-726-4454 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-726-4454 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5306-00-726-4454 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-726-4454 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5306-00-726-4454 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961