425857

View detailed technical data, stock status, and sourcing information for: 425857
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-042-5857

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.

0.719 inches minimum and 0.750 inches maximum fastener length, right-hand thread direction, 0.636 inches minimum and 0.719 inches maximum thread length, hexagon head style, 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: 0.636 inches minimum and 0.719 inches maximum
Fastener Length: 0.719 inches minimum and 0.750 inches maximum
Head Style: hexagon
Head Height: 0.270 inches minimum and 0.295 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Washer Quantity: 1
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Primary Washer Outside Diameter: 0.678 inches minimum and 0.692 inches maximum
Primary Washer Material Thickness: 0.035 inches nominal
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: 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
425857	Assembled Washer Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-042-5857?

The FSCG of the NSN 5306-00-042-5857 is 5306

Does the NSN 5306-00-042-5857 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-042-5857 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 5306-00-042-5857 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-042-5857 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 5306-00-042-5857 was assigned to the Federal Catalog?

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