DEFSTAN 58-96/4(2006) : 2006

Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
  4.1 Contaminant (Nitrogen)
  4.2 Contaminant (Pure Gases for Detector Cooling
      Applications)
  4.3 Maximum Acceptable level of Contamination
  4.4 Mini Cooler
  4.5 Pure Gases (for Detector Cooling applications)
5 Abbreviations
6 Supply Requirements
7 Gaseous and Liquid Nitrogen
  7.1 Nitrogen, Gas, Compressed
  7.2 Nitrogen, Liquid
8 Pure Gases for Detector Cooling Applications
9 Nitrogen Gas Produced In Out of Area Operations
Annex A (Normative) - Methods of Analysis
  A.1 (Normative) Method for The Determination of
      Nitrogen Purity
      A.1.1 Summary
      A.1.2 Apparatus
      A.1.3 Procedure
  A.2 (Normative) Method for The Determination of
      Oxygen Content
      A.2.1 Summary
      A.2.2 Apparatus
      A.2.3 Calibration
      A.2.4 Procedure
  A.3 (Normative) Method for The Determination of
      Trace Contaminants (Infra-Red Active)
      A.3.1 Principle
      A.3.2 Apparatus
      A.3.3 Calibration
      A.3.4 Procedure
  A.4 (Normative) Method for The Determination of Water
      Content
      A.4.1 Principle
      A.4.2 Apparatus
      A.4.3 Calibration
      A.4.4 Procedure
  A.5 (Normative) Method for The Determination of Other
      Trace Contaminants
      A.5.1 Summary
      A.5.2 Apparatus
      A.5.3 Procedure
  A.6 Methods for The Determination of Oil
  A.7 (Normative) Method for The Determination of
      Particulates
      A.7.1 Summary
  A.8 (Normative) Odour Assessment of Liquid Nitrogen
      A.8.1 Principle
      A.8.2 Apparatus
      A.8.3 Method of Test for Odour
  A.9 Visual Examination of Liquid Nitrogen
      A.9.1 Apparatus
      A.9.2 Method of Visual Examination
Annex B - International Agreements

Specifies requirements for nitrogen, in gaseous and liquid form, for Aviation and Weapons Systems; Pure Gases for Detector Cooling Applications; and, nitrogen produced by the Military for Out of Area (OOA) Operations.