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Optical Horn
A Chrysler term for a flash to pass dimmer switch feature.
Or
Orange.
ORC
Acronym for Occupant Restraint Controller (Airbag system Module) ((Chrysler)).
Organic Brake Lining
Brake linings that are made of a carbon-based compound combined with non-organic magnesium silicate and/or glass and synthetic fibers, replacing asbestos which as been determined to be hazardous to health and the environment.
Organic Friction Material
A friction material having organic binders substantially formulated with nonmetallic fibers. Used with both breaks and clutches.
Orifice
1.A small hole or opening of calibrated dimensions for metering fluids or gases in exact proportions 2. A small opening or restriction, in a line or passage, that is used to regulate pressure and flow.
Orifice Spark Advance Control (OSAC)
A Chrysler emissions control system which slows vacuum advance of ignition timing by means of an orifice in a component mounted on the air cleaner.
Orifice Spark Advance Control Valve (OSAC Valve)
A device used on some older Chrysler engines to limit oxides of nitrogen formation by delaying the vacuum signal to the distributor advance during idle and part-throttle operation.
Orifice Tube
A term used for expansion tube or fixed-orifice tube.
ORV
An acronym for off-road vehicle.
ORVR-CV
Onboard Refueling Vapor Recovery Control Valve.
Os
Osmium An element with the atomic number of 76.
OSAC
An acronym for Orifice Spark Advance Control.
OSAC Valve
An acronym for Orifice Spark Advance Control Valve.
OSC
Output state check.
Oscillating
A device moving back and forth or to and fro, like a clock pendulum.
Oscillating Fifth Wheel
A term used for fully oscillating fifth wheel.
Oscillation
The rotational movement, either in a fore and aft or side-to-side direction around a pivot point, such as in a fifth wheel design in which such articulation is permitted.
Oscillation Damper
A shock absorber may be considered a damper that controls energy stored in the springs under load.
Oscillations
The up and down peaks of a waveform.