Glossary “negative back pressure EGR valve” Definition:
EGR valve having a normally closed bleed hole which opens when back pressure drops, reducing vacuum above the diaphragm and cutting off the recirculation flow.
n
needlenose pliers
Glossary “needlenose pliers” Definition:
Pliers that have long, thin jaws for reaching in and grasping small parts.
neg
Glossary “neg” Definition:
Acronym form of Negative.
negative
Glossary “negative” Definition:
1). One of the two poles of a magnet. 2). One of the two poles of a battery, representing ground. 3). Any point which has an excess of electrons, or a negative charge. 4). Less than zero a pressure, below atmospheric pressure;(vacuum).
needle bearing
Glossary “needle bearing” Definition:
Bearing that contains small needle like rollers.
needle deflection
Glossary “needle deflection” Definition:
The distance of travel from zero of the needle on a dial gauge.
needle valve
Glossary “needle valve” Definition:
The small, tapered male part of a needle and seat.
near side
Glossary “near side” Definition:
Side of a vehicle closest to the curb.
necking
Glossary “necking” Definition:
A narrowing area of the exhaust pipe due to a buildup of exhaust by-products.
necking knob
Glossary “necking knob” Definition:
Attached to the steering wheel that permits rapid one hand steering.
needle and seat
Glossary “needle and seat” Definition:
Metering assembly to admit fuel into the carburetor float bowl.
NDS
Glossary “NDS” Definition:
Neutral Drive Switch
NDT
Glossary “NDT” Definition:
Non-Destructive Test.
NDV
Glossary “NDV” Definition:
Nylon Divert Valve
NDRA
Glossary “NDRA” Definition:
Nostalgia Drag Racing Association.
NCP
Glossary “NCP” Definition:
Non Compliance Penalty
NCT
Glossary “NCT” Definition:
Negative Coefficient Thermistor
NCVECS
Glossary “NCVECS” Definition:
National Center for Vehicle Emissions Control and Safety at Colorado State University
naturally aspirated
Glossary “naturally aspirated” Definition:
Engine that uses atmospheric pressure to force the air into the cylinders.
NC
Glossary “NC” Definition:
Normally Close. Usually expressed nc. Sometimes used to indicate No Connection.