Dear Customers,
We will be on our Christmas break from 23 December 2025 at 1:00 p.m. and will be available again from 5 January 2026.
Please note that new registrations and requests requiring manual processing will only be handled from this date onwards.
You may, of course, place orders and access downloads online at any time.
We wish you happy holidays, a restful break, and a healthy start to the New Year!
Your DIN Media
Standard [CURRENT]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
This document applies to the handling of fissile materials within nuclear facilities. The core zone of nuclear reactors is excluded. Special requirements apply to the transport of fissile materialsoutside nuclear facilities and to protection against third-party interference, which are not covered in this document. This document does not contain any information on the effects of radioactive radiation on humans or materials, or on criticality accidents. This document has been prepared by Technical Section Nuclear Technology, Working Committee NA 062-07-54 AA "Kritikalitätssicherheit und Zerfallsleistung" ("Criticality safety and decay power") at DIN Standards Committee Materials Testing (NMP).
This document replaces DIN 25403-1:2013-12 .