1.2.1
This Standard is applicable to human-rated spaceflight hardware.
1.2.2
This Standard is approved for use by NASA Headquarters and NASA Centers and Facilities, and applicable technical requirements may be cited in contract, program, and other Agency documents. This language also applies to the Jet Propulsion Laboratory (a Federally Funded Research and Development Center [FFRDC]), other contractors, recipients of grants and cooperative agreements, and parties to other agreements only to the extent specified or referenced in applicable contracts, grants, or agreements.
1.2.3
References to “this Standard” refer to NASA-STD-5019A; references to other documents state the specific document information.
1.2.4
Verifiable requirement statements are designated by the acronym “FCR” (Fracture Control Requirements), numbered, and indicated by the word “shall” beginning in section 4. This Standard contains 26 requirements. To facilitate requirements selection and verification by NASA programs and projects, a Requirements Compliance Matrix is provided in Appendix A.
1.2.5
Explanatory or guidance text is indicated in italics beginning in section 4. The terms “may” or “can” denote discretionary privilege or permission, “should” denotes a good practice and is recommended but not required, “will” denotes expected outcome, and “is/are” denotes descriptive material or a statement of fact.