MIL-STD-1330 Precision Cleaning And Testing Of Shipboard Oxygen, Helium, Helium-Oxygen, Nitrogen, And Hydrogen SystemsThis standard provides the requirements for precision cleaning and testing of oxygen or oxygen-enriched systems and components; oxygen generating plants including nitrogen, hydrogen, and demineralized water support systems and components; and helium, helium-oxygen, and hydrogen life support systems and components. Each activity will implement the applicable requirements of this document through a locally prepared and approved procedure. Activities subject to additional quality assurance requirements such as NAVSEA SS800-AG-MAN-010/P-9290 or NAVSEA SS521-AA-MAN-010 will obtain procedure approval from the applicable certifying activity.

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MIL-STD-1330D(SH) APPENDIX E

w/ Change 1

TABLE E-I.  NAVSEA approved halogenated solvents.  Continued.

5/        HFE-7100 in accordance with A-A-59150 is approved for use to clean gages and instruments.  Since HFE-

7100 has marginal hydrocarbon soil removal performance, it shall not be used as a precleaner.  An acceptable precleaner is HFE-71DE, which is a blend of HFE-7100 and 1,2 TransDichloroethylene (TDCE).  This solvent has soil removal performance similar to CFC-113.  However, HFE-71DE is not compatible with gaseous or liquid oxygen, and is more toxic than CFC-113, having a vendor recommended allowable exposure limit of

200 ppm.  Therefore, HFE-71DE shall only be used as a precleaner.  The performance of HFE-7100 as a wipe solvent is dependent on the type of soil being removed.  HFE-7100 is an excellent wipe solvent for halogenated oils and greases.  HFE-7100 is a poor solvent for hydrocarbon oils and greases including silicone.

6/        For critical applications, a NAVSEA approved halogenated solvent may only be used for field wipe with local engineering approval.

7/        The only non-metallic materials listed are those common to oxygen systems.  For other materials, consult the manufacturer, local engineering, or NAVSEA.  Where specific information is lacking, perform compatibility testing as specified in A.3.1 of Appendix A.

8/        C = Compatible.  12L = Limit exposure to a maximum of 12 hours per cleaning.  1L = Limit exposure to a maximum of 1 hour per cleaning.  I = Incompatible.  NT = Not tested.

Preparing activity: Navy – SH

(Project 4730-2352-000)

NOTE:  The activities listed above were interested in this document as of the date of this document.  Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https://assist.daps.dla.mil.

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