MIL-P-19264B, MILITARY SPECIFICATION: PROPELLANT, BS-NACO, FOR THE 5"/54 CALIBER PROPELLING CHARGE (10-NOV-1993) [S/S BY MIL-DTL-19264C]

MIL-P-19264B, MILITARY SPECIFICATION: PROPELLANT, BS-NACO, FOR THE 5"/54 CALIBER PROPELLING CHARGE (10-NOV-1993) [S/S BY MIL-DTL-19264C]., This specification covers the minimum requirements for BS-NACO Propellant for use in the 5"/54 Caliber propelling charge. The propellant covered by this specification is intended for use in the MK 65 clearing charge and MK 67 propelling charge. These charges are used in the MK 42 and MK 45 gun mounts. The propellant was designed for military use and has no commercial application. “NACO” is the designation for Navy “cool” single-base propellant types which contain low-nitration nitrocellulose (12.0 percent nitrogen, nominal). The type covered by this specification also contains n-butyl stearate as a coolant and potassium sulfate as a flash suppressant.