Ballistic resistance of body armor [[electronic resource] /] / United States Department of Justice

• Record Nr.: UNINA9910656057003321
• Pubbl/distr/stampa: New York, : Nova Science, 2009; Washington, DC : , : U.S. Department of Justice, Office of Justice Programs, National Institute of Justice, , 2008
• ISBN: 1-61728-143-3
• Edizione: [1st ed.]
• Descrizione fisica: 1 online resource (92 p.)
• Collana: NIJ standard ; ; 0101.06
• Soggetti: Police - United States - Equipment and supplies - Testing; Police - Equipment and supplies - Standards - United States; Police - Protection - United States; Personal protective equipment - United States - Testing; Personal protective equipment - Standards - United States; Armor - United States - Testing; Armor - Standards - United States
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- BALLISTIC RESISTANCEOF BODY ARMOR -- FOREWORD -- CONTENTS -- PREFACE -- ABBREVIATIONS -- STANDARD SPECIFIC ABBREVIATIONS -- COMMONLY USED SYMBOLS AND ABBREVIATIONS -- PREFIXES -- COMMON CONVERSIONS -- PURPOSE AND SCOPE -- NIJ BODY ARMOR CLASSIFICATION -- 2.1 Type IIA (9 mm -- .40 S&amp -- W) -- 2.2 Type II (9 mm -- .357 Magnum) -- 2.3 Type IIIA (.357 SIG -- .44 Magnum) -- 2.4 Type III (Rifles) -- 2.5 Type IV (Armor Piercing Rifle) -- 2.6 Special Type -- DEFINITIONS -- SAMPLE REQUIREMENTS AND LABORATORY CONFIGURATION -- 4.1 Test Samples -- 4.1.1 Flexible Vests and Jackets -- 4.1.1.1 Test Sample Sizes -- 4.1.1.2 Sample Utilization -- 4.1.2 Hard Armors and Plate Inserts -- 4.1.2.1 Type III -- 4.1.2.2 Type IV -- 4.1.3 Accessory Ballistic Panels -- 4.1.4 Workmanship -- 4.1.5 Labeling -- 4.1.5.1 Ballistic Panels -- 4.1.5.1.1 Labeling Requirements for Armors Listed on the NIJ Compliant Products List -- 4.1.5.2 Armor Carriers With Nonremovable Ballistic Panels -- ; 4.1.5.3 Label Permanency and Durability -- 4.1.6 Armor Carriers With Removable Ballistic Panels -- 4.1.7 Armors With Built-In Inserts or Trauma Packs -- 4.2 Laboratory Configuration and Test Equipment -- 4.2.1 Range Configuration -- 4.2.1.1 Ambient Test Conditions -- 4.2.1.2 Range Preparation -- 4.2.1.3 Instrumentation -- 4.2.2 Test Rounds and Barrels -- 4.2.2.1 Handloads -- 4.2.2.2 Test Barrels -- 4.2.2.3 Test Barrel Fixtures -- 4.2.3 Velocity Measurement Equipment -- 4.2.3.1 Configuration -- 4.2.4 Armor Submersion Equipment -- 4.2.5 Armor Backing Material -- 4.2.5.1 Backing Material Fixture -- 4.2.5.2 Fixture Construction -- 4.2.5.3 Backing Material -- 4.2.5.4 Backing Material Surface Preparation -- 4.2.5.5 Backing Material Conditioning -- 4.2.5.6 Backing Material Consistency Validation -- FLEXIBLE ARMOR CONDITIONING PROTOCOL -- HARD ARMOR CONDITIONING PROTOCOL.; 6.1 Purpose and Scope -- 6.2 Pretest Parameters -- 6.2.1 Storage of Armors -- 6.2.2 Pretest Calibrations -- 6.2.3 Test Conditions -- 6.2.3.1 Air Temperature -- 6.2.3.2 Relative Humidity -- 6.2.3.3 Armor Drop Test -- 6.2.3.4 Test Duration -- 6.2.3.5 Monitoring Conditioning Chamber Parameters -- 6.3 Laboratory Configuration and Test Equipment -- 6.3.1 General Parameters -- 6.3.1.1 Facility Design -- 6.3.1.2 Test Sensors and Measurements -- 6.3.1.3 Humidity Generation -- 6.3.1.3.1 Water Purity -- 6.3.2 Controls -- 6.3.3 Test Interruption -- 6.3.4 Conditioning Procedure -- BALLISTIC TEST METHODS -- 7.1 Purpose and Scope -- 7.2 Test Order -- 7.3 Workmanship Examination -- 7.3.1 Armor Carriers and Ballistic Panel Covers -- 7.3.2 Ballistic Panels -- 7.3.3 Label Examination -- 7.4 Sampling -- 7.5 Sample Acclimation -- 7.5.1 Inserts -- 7.6 Fair Hit Requirements for All Ballistic Tests -- 7.6.1 Minimum Shot-to-Edge Distance -- 7.6.2 Minimum Shot-to-Shot Distance -- 7.7 Backing Material Preparation and Sample Mounting for All Ballistic Tests -- 7.7.1 Backing Material Fixture Preparation -- 7.7.2 Mounting Armor for Ballistic Testing -- 7.7.2.1 Strapping -- 7.7.2.2 Remounting of Armor -- 7.7.2.3 Backing Material Fixture Positioning -- 7.8 Perforation and Backface Signature Test (P-BFS) -- 7.8.1 Shot Location Marking -- 7.8.2 Armor Submersion -- 7.8.3 Test Threats for P-BFS Tests -- 7.8.4 Test Duration -- 7.8.5 Requirements for Number of Shots and Number of Armor Samples -- 7.8.5.1 BFS Measurement -- 7.8.6 P-BFS Test for Special Type Armor -- 7.8.7 P-BFS Test for Accessory Ballistic Panels -- 7.8.7.1 Groin and Coccyx Protectors -- 7.8.7.2 Removable Side Protection -- 7.8.8 P-BFS Performance Requirements -- 7.9 Ballistic Limit (BL) Determination Test -- 7.9.1 Requirements for Number of BL Tests and Test Samples -- 7.9.2 Test Procedure Requirements.; 7.9.3 Backing Material Conditioning -- 7.9.4 Data Set Tabulation -- 7.9.5 Ballistic Limit Performance Requirements -- REFERENCES -- APPENDIX A -ACCEPTABLE BULLETS FOR HANDLOADING -- APPENDIX B -COMMON SPECIAL TYPE THREATS -- APPENDIX C -ARMOR SIZING TEMPLATES -- APPENDIX D -ANALYSIS OF BACKFACE SIGNATURE DATA -- APPENDIX E -ANALYSIS OF BALLISTIC LIMIT DATA -- APPENDIX F -EXPLANATORY MATERIALS -- Explanatory Material for Section 2 NIJ Body Armor Classification -- Explanatory Material for Section 3 Definitions -- Explanatory Material for Section 4 Sample Requirements and Laboratory Configuration -- Explanatory Material for Section 5 Flexible Armor Conditioning Protocol -- Explanatory Material for Section 6 Hard Armor Conditioning Protocol -- Explanatory Material for Section 7 Ballistic Test Methods -- Explanatory Material for Section 7.9.5 -- INDEX.