5310-01-491-2121

Find complete technical information, availability, and procurement data for: 5310-01-491-2121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-491-2121

Item Name Code

14218

Assigment Date

10/16/2001 (24 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.

0.375 inches nominal hole diameter, split helical-right hand style designator, steel overall material, 2320-01-465-2174 end item identification

Product Characteristics

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

Hole Diameter: 0.375 inches nominal
End Item Identification: 2320-01-465-2174
Material: steel overall
Style Designator: split helical-right hand

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
1132 SR-13	Lock Washer
9HA863	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-491-2121?

The FSCG of the NSN 5310-01-491-2121 is 5310

Does the NSN 5310-01-491-2121 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-491-2121 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 5310-01-491-2121 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-491-2121 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 5310-01-491-2121 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, Oct 16, 2001