v3.25.3

Cover	Nov. 05, 2025
Cover [Abstract]
Document Type	8-K/A
Amendment Flag	true
Amendment Description	The Company previously filed Form 8-K with the Securities and Exchange Commission (“SEC”) on November 4, 2025, reporting a change in the Company’s independent registered public accounting firm. This Report is amending the language under Item 4.01(1), paragraph two, as well as including Exhibit 16 provided by Fruci & Associates II, PLLC.
Document Period End Date	Nov. 05, 2025
Entity File Number	000-54617
Entity Registrant Name	US NUCLEAR CORP
Entity Central Index Key	0001543623
Entity Tax Identification Number	45-4535739
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	7051 Eton Avenue
Entity Address, City or Town	Canoga Park
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	91303
City Area Code	(818)
Local Phone Number	883-7043
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	false

Description of changes contained within amended document.

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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US NUCLEAR CORP. 8-K/A