v3.25.2
Cover
Jun. 23, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 23, 2025
Entity File Number 000-56694
Entity Registrant Name New Mountain Private Credit Fund
Entity Central Index Key 0002037804
Entity Tax Identification Number 99-6860731
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 1633 Broadway
Entity Address, Address Line Two 48th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10019
City Area Code (212)
Local Phone Number 720-0300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false