Non-structural protein 4
* NS4 (HCV) - two viral proteins found in hepatitis C virus: ** NS4A ** NS4B *Transportation
* New Shepard 4, a Blue Origin reusable space launch vehicle booster rocket (booster #4) * Blue Origin NS-4, a 2016 April 2 Blue Origin suborbital spaceflight mission for the New Shepard * RAF N.S. 4, a British NS class airship * Choa Chu Kang MRT/LRT station (station code:NS4
) abbreviated as (NS4/BP1); Singapore
* Uguisunomori Station (station code: NS04
), Kawanishi, Hyōgo Prefecture, Japan
* Higashi-Miyahara Station (station code: NS04
), Kita-ku, Saitama, Japan
* Toyota NS4 - a plug-in hybrid concept car unveiled at the January 2012 North American International Auto Show.
Other
* Bedford (provincial electoral district), constituency ''N.S. 04''; Nova Scotia, Canada * Novelty seeking level 4, disorderliness * NS-4; a fictional robot from the 2004 film, "I, Robot" * Netscape Communicator - also known as Netscape 4, or NS4See also
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