Gml
DODL8W4(AS)
AMENDMENT 2
25 Arrmrst 1993
Superseding
DOD-L-85734(AS)
AMENDMENT 1
22 December 1986
MILITARY SPECIFICATION
LUBRICATING 0~ HELICOPTER TRANSMISSION SYSTEM
SYNTHETIC BASE
This amendment forms a part of DOD-L85734(AS), dated 21 February 1986, and
is approved for use within the Naval Air Systems Cmnrnand, Department of the Navy, and
is available for use by all Departments and Agencies of the Department of Defense.
PAGE 6
4.4 Add “h. Silicone rubber compatibility test”.
PAGE 7
●
4.5.1: Insert the following additional change into the list of procedural modifications to
the compatibfity of turbine lubricating oils tes~ Method 3403 of FED-STD-791:
“Petroleum ether with a boiling range of 30 to 60”C shall be used in place of 1,1,1-
Tricbloroetbane (0-T-620).”
PAGE 8
●
4.5.4 Insert the following additional change into the list of modifications to the
corrosion and oxidation stability tes~ Method 5308 of FED-STD-791:
“Petroleum ether with a boiling range of 30 to 60°C shall be used in place of 1,1,1-
Tncbloroethane (0-T-620).”
PAGE 11
TABLE ~ column 2, opposite “Rubber compatibility”: Change limits from “O-25” to”5 -
25” for both H and F rubber.
AMSC NIA
FSC 9150
DISTRIBUTION S
TATEMENT A, Approved for public release; distribution is unlimited.
lofz
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