SD-15 Guide For Performance SpecificationsThis document provides guidance information on performance specifications focusing primarily on stating requirements in performance terms and ensuring that sufficient verification means are included in the specification to evaluate conformance. While the focus of this document is on defense specifications developed under DoD 4120.24-M, Defense Standardization Program DSP Policies and Procedures, the principles and techniques can also be applied to program unique performance specifications, performance-based purchase descriptions, commercial item descriptions, or any other type of procurement specification. This guide is intended to supplement the format and content requirements for writing performance specifications found in MIL-STD-961, Defense and Program-Unique Specifications Format and Content.

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Performance Specification Guide SD-15

Defense additionally will normally emphasize conversion to performance specifications for the

re-procurement of existing systems where supported by a business case analysis; for programs in all acquisition categories."

"If performance specifications are not practicable, or if stating requirements in performance terms is not practicable because of essential interface or interoperability requirements, the Department of Defense may state its needs using prescriptive requirements (i.e. dimensions, materials, etc.)."

"Use performance specifications or convert to performance specifications during reprocurement of systems, subsystems, components, spares, and services beyond the initial production contract award; and during post-production support to facilitate technology insertion and modernization of operational weapons systems."