NPFC - MIL-PRF-27407
PROPELLANT PRESSURIZING AGENT, HELIUM
active, Most Current
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Organization: | NPFC |
Publication Date: | 1 August 2014 |
Status: | active |
Page Count: | 8 |
scope:
This specification covers the requirements for two grades and two types of helium.
intended Use:
Type I, Grade A, helium is intended for pressurization of military rocket engine propellant systems, space vehicles and associated ground support equipment, welding and other shielding gas... View More
Document History
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MIL-PRF-27407
August 1, 2014
PROPELLANT PRESSURIZING AGENT, HELIUM
Type I, Grade A, helium is intended for pressurization of military rocket engine propellant systems, space vehicles and associated ground support equipment, welding and other shielding gas...
![](/images/ui-elements/reference/detail/history_notch.png)
September 12, 2011
Propellant Pressurizing Agent, Helium
Type I, Grade A helium is intended for pressurization of rocket engine propellant systems, space vehicles and associated ground support equipment, welding and other shielding gas operations. Type I,...
![](/images/ui-elements/reference/detail/history_notch.png)
November 29, 2006
PROPELLANT PRESSURIZING AGENT, HELIUM
Type I, Grade A helium is intended for pressurization of rocket engine propellant systems, space vehicles and associated ground support equipment, welding and other shielding gas operations. Type I,...
![](/images/ui-elements/reference/detail/history_notch.png)
August 25, 1997
PROPELLANT PRESSURIZING AGENT, HELIUM
Type I, Grade A helium is intended for pressurization of rocket engine propellant systems, space vehicles and associated ground support equipment, welding and other shielding gas operations. Type I,...
![](/images/ui-elements/reference/detail/history_notch.png)
June 17, 1988
PROPELLANT PRESSURIZING AGENT, HELIUM
A description is not available for this item.
![](/images/ui-elements/reference/detail/history_notch.png)
November 28, 1978
PROPELLANT PRESSURIZING AGENT, HELIUM
Type I, Grade A helium is intended for pressurization of rocket engine propellant systems, space vehicles and associated ground support equipment, welding and other shielding gas operations. Type I,...
![](/images/ui-elements/reference/detail/history_notch.png)
January 8, 1965
PROPELLANT PRESSURIZING AGENT, HELIUM
A description is not available for this item.
![](/images/ui-elements/reference/detail/history_notch.png)
February 4, 1964
PROPELLANT PRESSURIZING AGENT, HELIUM
A description is not available for this item.