ST5121-18

View detailed technical data, stock status, and sourcing information for: ST5121-18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-01-673-3969

Item Name Code

16012

Assigment Date

06/12/2018 (8 years ago)

A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a ring, lock, serrated or a ring, lock, keyed.

5307-01-673-3969, locked in stud

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
ST5121-18	Locked in Stud
ST55233-524-18V	Locked in Stud

FAQs

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

What is the FSCG of the NSN 5307-01-673-3969?

The FSCG of the NSN 5307-01-673-3969 is 5307

Does NSN 5307-01-673-3969 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 5307-01-673-3969 contain precious materials?

Item does not contain precious metal.

Does NSN 5307-01-673-3969 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 5307-01-673-3969 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Tue, Jun 12, 2018

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Pricing

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In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

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Availability of this item was last updated on: 08/17/2026 03:08 PM EDT. Stock levels and pricing are subject to change.