425323

View detailed technical data, stock status, and sourcing information for: 425323
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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)

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