5306-01-138-9538

Find complete technical information, availability, and procurement data for: 5306-01-138-9538
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-138-9538

Item Name Code

06659

Assigment Date

09/22/1982 (43 years ago)

right-hand thread direction, 2a thread class, 0.344 inches minimum and 0.375 inches maximum fastener length, 0.244 inches minimum and 0.375 inches maximum thread length, hexagon head style

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.244 inches minimum and 0.375 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Washer Quantity: 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer
Primary Washer Outside Diameter: 0.466 inches minimum and 0.478 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.025 inches nominal
Material: steel comp 1050 or steel comp 1566 overall
Material Document And Classification: sae assn std all material responses primary washer
Material Document And Classification: sae assn std single material response fastener
Surface Treatment: cadmium or zinc overall
Thread Series Designator: unc

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
425323	Assembled Washer Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-138-9538?

The FSCG of the NSN 5306-01-138-9538 is 5306

Does the NSN 5306-01-138-9538 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-138-9538 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 5306-01-138-9538 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-138-9538 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 5306-01-138-9538 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Sep 22, 1982