5306-00-042-5378

Find complete technical information, availability, and procurement data for: 5306-00-042-5378
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-042-5378

Item Name Code

06659

Assigment Date

01/01/1963 (63 years ago)

A bolt, machine on which has been assembled one or more nonremovable washers. See also screw, assembled washer.

right-hand thread direction, hexagon head style, 0.407 inches minimum and 0.438 inches maximum fastener length, 2a thread class, 0.307 inches minimum and 0.407 inches maximum thread length

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: 0.307 inches minimum and 0.407 inches maximum
Fastener Length: 0.407 inches minimum and 0.438 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.428 inches minimum and 0.437 inches maximum
Washer Quantity: 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Primary Washer Outside Diameter: 0.466 inches minimum and 0.478 inches maximum
Primary Washer Material Thickness: 0.025 inches nominal
Special Features: w/header point
Material: steel comp 1010 or steel comp 1020 overall
Material Document And Classification: sae assn std all material responses overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 3,cl 3 fed spec 2nd treatment response 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
425378	Assembled Washer Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-042-5378?

The FSCG of the NSN 5306-00-042-5378 is 5306

Does the NSN 5306-00-042-5378 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-042-5378 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 5306-00-042-5378 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-042-5378 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 5306-00-042-5378 was assigned to the Federal Catalog?

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