MAINTENANCEThe function of retaining
material in or restoring it to a serviceable
MBEUMartin-Baker Ejection Unit (seat).
MIMMaintenance Instruction Manual.
MRCMaintenance Requirements Card.
MULTIMETERAn instrument used for
measuring resistance, voltage, or amperage.
NADEPNaval Aviation Depot.
NATOPSNaval Air Training and Operating
NAVAIRSYSCOMNAVAIR; NA (Naval
Air Systems Command).
NFONaval flight officer.
NOMENCLATUREA system of names;
NOTEAn operating procedure, condition,
etc., which, because of its importance, is essential
NSNNational stock number.
OPNAVOffice of the Chief of Naval
OXIDATIONThat process by which oxygen
unites with some other substance, causing rust or
PSIPounds per square inch.
PSIAPounds per square inch absolute.
PSIGPounds per square inch gauge.
PRESSUREThe amount of force distrib-
uted over each unit of area. Pressure is expressed
in pounds per square inch (psi).
RACRapid Action Change.
SAFETY WIRE/LOCKWIREA wire set
into a component to lock movable parts into a
safe, secure position.
SDLMStandard depot-level maintenance.
SESupport equipment. All the equipment
on the ground needed to support aircraft in a state
of readiness for flight. Formerly ground support
SERVICINGThe filling of an aircraft with
consumables such as fuel, oil, and compressed
gases to predetermined levels, pressure, quantities,
SMDCShielded mild detonating cord.
SOLVENTA liquid that dissolves other
TENSIONA force or pressure exerting a
pull or resistance.
TORQUEA turning or twisting force.
TOXICHarmful, destructive, deadly;
VOLATILE LIQUIDSLiquids that are
readily vaporizable at relatively low temperatures.
WARNINGAn operating procedure, prac-
tice, etc., that if not followed correctly could result
in personal injury or loss or life.
WORKThe transference of energy from one
body or system to another. That which is
accomplished by a force acting through a distance.