5305-01-556-3497

Find complete technical information, availability, and procurement data for: 5305-01-556-3497
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-556-3497

Item Name Code

18257

Assigment Date

10/02/2007 (18 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

1.000 inches nominal thread length, 1.250 inches nominal fastener length, hexagon head style, right-hand thread direction, 0.375 inches nominal thread diameter

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 1.000 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 18
Material: steel overall
Surface Treatment: phosphate 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
MS51107-62	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-556-3497?

The FSCG of the NSN 5305-01-556-3497 is 5305

Does the NSN 5305-01-556-3497 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-556-3497 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 5305-01-556-3497 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-556-3497 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 5305-01-556-3497 was assigned to the Federal Catalog?

It was assigned 18 years ago, on Tue, Oct 2, 2007