N6449823R4038 - Submarine Life Support and Ventilation Systems Engineering Services Inactive Notice ID:0232-23-205-00 Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEPT OF THE NAVY NSWC PHILADELPHIA DIV NAICS 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) PSC MAINT-REP OF SHIP & MARINE EQ Data sourced from SAM.gov. View Official Posting »