5306-00-449-2561

Find complete technical information, availability, and procurement data for: 5306-00-449-2561
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-449-2561

Item Name Code

15903

Assigment Date

05/20/1970 (56 years ago)

right-hand thread direction, 1.770 inches minimum and 1.790 inches maximum thread length, 5.405 inches nominal fastener length, double hexagon w/hole head style, 3a thread class

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: 1.770 inches minimum and 1.790 inches maximum
Fastener Length: 5.405 inches nominal
Head Style: double hexagon w/hole
Head Height: 1.155 inches nominal
Width Between Flats: 1.301 inches minimum and 1.314 inches maximum
Extended Washer Diameter: 2.115 inches minimum and 2.125 inches maximum
Extended Washer Thickness: 0.269 inches nominal
Grip Diameter: 1.2475 inches minimum and 1.2490 inches maximum
Nominal Thread Diameter: 1.250 inches
Grip Length: 3.615 inches minimum and 3.635 inches maximum
Thread Quantity Per Inch: 12
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 8740 or steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator: unjf

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
MS21250-20058	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-449-2561?

The FSCG of the NSN 5306-00-449-2561 is 5306

Does the NSN 5306-00-449-2561 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-449-2561 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 5306-00-449-2561 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-449-2561 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 5306-00-449-2561 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, May 20, 1970