W-A-00450B, INTERIM FEDERAL SPECIFICATION: ALARM SYSTEMS, INTERIOR, SECURITY, COMPONENTS FOR (16-FEB-1973)

W-A-00450B, INTERIM FEDERAL SPECIFICATION: ALARM SYSTEMS, INTERIOR, SECURITY, COMPONENTS FOR (16-FEB-1973)., This specification covers security alarm system units which are designed to conform to the standards for security equipment as get forth in the \"National Security Council Directive Governing the Classification, Downgrading, Declassification And Safeguarding National Security Information.\" The alarm system units, when selectively assembled, provide interior alarm system specifically designed for security application (see 6.1). These properly assembled systems are highly resistive to neutralization or compromise by covert or surreptitious attack as specified herein.