5306-00-579-4255

Find complete technical information, availability, and procurement data for: 5306-00-579-4255
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-579-4255

Item Name Code

15903

Assigment Date

01/01/1963 (63 years ago)

1.250 inches nominal fastener length, 0.475 inches minimum thread length, hexagon head style, 3a thread class, right-hand thread direction

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: 0.475 inches minimum
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.156 inches nominal
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches nominal first hole
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.875 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.131 inches nominal first hole
Material: steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4037 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 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
NAS1105-14D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-579-4255?

The FSCG of the NSN 5306-00-579-4255 is 5306

Does the NSN 5306-00-579-4255 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-579-4255 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 5306-00-579-4255 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-579-4255 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 5306-00-579-4255 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963