5306-01-237-0521

Find complete technical information, availability, and procurement data for: 5306-01-237-0521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-237-0521

Item Name Code

15903

Assigment Date

07/24/1986 (39 years ago)

dished hexagon head style, 0.642 inches minimum and 0.672 inches maximum fastener length, 3a thread class, 0.320 inches minimum and 0.370 inches maximum thread length, 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: 0.320 inches minimum and 0.370 inches maximum
Fastener Length: 0.642 inches minimum and 0.672 inches maximum
Head Style: dished hexagon
Head Height: 0.110 inches minimum and 0.125 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Hole Diameter: 0.046 inches minimum and 0.056 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: hexagon corners
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec all material responses or mil-s-6049 mil spec 2nd material response or ams 6322 assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 2 fed spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6603 professional/industrial association standard

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
NAS6603-5H	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-237-0521?

The FSCG of the NSN 5306-01-237-0521 is 5306

Does the NSN 5306-01-237-0521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-237-0521 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 5306-01-237-0521 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-237-0521 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 5306-01-237-0521 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jul 24, 1986