MIL-DTL-83133H
TABLE I. Chemical and physical requirements and test methods Continued
13. Test shall be performed in accordance with ASTM D5006 using the DiEGME scale of the
refractometer.
14. The conductivity must be between 150 and 600 pS/m for F-34 (JP-8) and between 50 and 600 pS/m
for F-35, at ambient temperature or 29.4 °C (85 °F), whichever is lower, unless otherwise directed by
the procuring activity. In the case of JP-8+100, JP-8 with the thermal stability improver additive (see
3.3.6), the conductivity limit must be between 150 to 700 pS/m at ambient temperature or 29.4 °C (85
°F), whichever is lower, unless otherwise directed by the procuring activity.
3.3.5 Fuel system icing inhibitor. The use of a fuel system icing inhibitor shall be mandatory for
JP-8 and shall be in accordance with MIL-DTL-85470. The point of injection of the additive for JP-8 shall
be determined by agreement between the purchasing authority and the supplier. The fuel system icing
inhibitor is not to be added to NATO F-35 unless so directed by the purchasing authority.
3.3.6 Thermal stability improver additive. Due to logistic concerns, personnel at the operating
location shall request written approval from the cognizant activity to add a thermal stability improver
additive to the fuel. If approval is given, the concentration of the additive and location of injection shall be
specified by the cognizant service activity listed below. For USAF aircraft, this approval does not override
the single manager's authority for specifying allowed/disallowed fuels. JP-8 fuel with an approved
thermal stability improver additive at the required concentration shall be designated as JP-8+100.
Thermal stability improver additive shall not be used in JP-8 without approval, in writing, from:
Cognizant activity for the US Navy and US Marine Corps: Naval Fuels and Lubricants Cross
Functional Team, AIR-4.4.1, Building 2360, 22229 Elmer Road, Patuxent River, MD 20670-1534.
Cognizant activity for the US Air Force: Air Force Petroleum Agency, AFPA/PTP, 2430 C Street,
Building 70, Area B, Wright-Patterson AFB 45433-7632.
Cognizant activities for the US Army:
US Army Ground: Fuels and Lubricants Technology Team, RDECOM-TARDEC, RDTA-DP,
Building 210, 6501 E. 11 Mile Road, Warren, MI 48397-5000.
US Army Aviation: US Army RDECOM, Attn: RDMR-AEP, Building 4488, Room C-211, Redstone
Arsenal, AL 35898-5000.
3.3.6.1 Qualified additives. Qualified thermal stability improver additives are listed in Table II.
TABLE II. Qualified thermal stability improver additives.
Additive Name
Qualification Reference
Manufacturer
SPEC AID 8Q462
AFRL/PRSF
GE Water & Process Technologies
Ltr, 9 Dec 97
9669 Grogan Mill Road
The Woodlands, TX 77380
SPEC AID 8Q462W
ASC/ENFA
GE Water & Process Technologies
Tech Eval, 12 Apr 11
9669 Grogan Mill Road
The Woodlands, TX 77380
AeroShell Performance
AFRL/PRSF
Shell Aviation Limited
Additive 101
Ltr, 13 Jan 98
Shell Centre
York Road
London, UK SE1 7NA
11
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