The document is a military performance specification (MIL-PRF-27407E) outlining requirements for two types and grades of helium used by the Department of Defense (DoD). It details the specifications for gaseous (Type I) and liquid helium (Type II), including their classification, purity levels, contamination limits, and allowable impurities. Gaseous helium is classified into two grades: Grade A for pressurizing and Grade B for respirable uses. The document specifies that helium quality will be assured through various tests conducted on sampled containers, and compliance with established standards is mandatory.
Particular emphasis is placed on measuring purity and checking for impurities using recognized methods, with detailed instructions on sampling plans and analytical procedures, including pressure tests and leakage inspections of cylinders. The document also notes the intended uses of helium types, which range from rocket propellant systems to cryogenic applications. Overall, this specification serves to ensure that helium supplied for military purposes meets strict quality and safety standards, reflecting the high regulatory expectations surrounding defense materials and equipment.
The Defense Logistics Agency (DLA) Energy requires a contractor to manage the filling and inspection of bulk helium containers in the United Arab Emirates (UAE) for aerospace energy products. The contractor must provide all necessary resources, including helium, personnel, equipment, and management, to meet specifications outlined in MIL-PRF-27407E. Responsibilities include safely filling various types of helium containers to pressures between 2400 and 4500 psi while adhering to industry standards and completing hazardous material certification documentation.
Key tasks include maintaining helium containers in a ready state, analyzing residual helium for compliance, and ensuring timely filling—within 14 days of orders. Additionally, if any container is contaminated, the contractor must have protocols for cleaning and evacuating within 24 hours. The project emphasizes safety, regulatory compliance, and effective management of materials as part of a government RFP aimed at supporting DoD operations in aerospace energy logistics.