A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-01-387-4526
NSN 5835-01-389-8218
NSN 6150-00-583-9878
NSN 5985-00-578-7740
NSN 6135-01-100-9056
NSN 5965-00-973-1090
NSN 5999-01-120-9343
NSN 5920-00-114-4221
NSN 6320-00-036-3688
NSN 5996-01-268-1625
NSN 6220-00-107-1517
NSN 6610-01-433-2219