NEC
National Electrical Code
NEF
National Extra Fine
NEP
Noise Equivalent Power
NEPA
National Environmental Policy Act
NER
Named Entity Recognition
NERC
North American Electric Reliability Corporation
NF
National Fine
NIO
NIO Inc.
NIST
National Institute of Standards and Technology
NIST
National Institute of Standards and Technology
NiTE
Natural Interaction Technology Engine
NIU
Network Interface Unit
NLP
Neuro-Linguistic Programming
NLP
Natural Language Processing
NLX
Natural Language Experience
NM
Network Management
NMC
Nickel Manganese Cobalt
NN
Neural Network
NO
Normally Open
NOAA
National Oceanographic and Atmospheric Agency
NOM
Nominal
NORM
Normalized
NORMD
Normalized
NOx
Nitrogen Oxide Sensor
NPD
New Product Development
NPDP
New Product Development Process
NPR
Noise Power Ratio
NPS
Naval Primary Standard
NPS
Nozzle Pressure Sensor
NPSH
Net Positive Suction Head
NPT
National Pipe Taper
NS
National Special; Near Side
NSCM
National Stock/Supply Code For Manufacturers
NSD
New Service Development
NSOI
Narrower System-of-Interest
NSOP
Not Shown On Plan
NSPE
National Society of Professional Engineers
NTIS
National Technical Service
NTRS
NASA Technical Reports Server
NTS
Not To Scale
NUI
Natural User Interface
NUI
Natural User Interface
NVIDIA
NVIDIA Corporation
NXP
NXP Semiconductors
O&S
Operations and Support
O2 Sensor
Oxygen Sensor
O2C
Oxygen Content Sensor
O2S
Oxygen Sensor
OA
Office Automation
OAM&P
Operations, Administration, Management, and provisioning
OBC
On-Board Charger
OBCM
On-Board Charger Module
OBD
On-Board Diagnostics
OC
On Center
OCR
Operations Commitment Review
OECD
Organisation for Economic Co-operation and Development
OEE
Overall Equipment Effectiveness
OEM
Original Equipment Manufacturer
OEP
Operator Entry Panel
OGC
Open Geospatial Consortium
OHC
Overhead Camshaft
OHSAS
Occupational Health and Safety Assessment Series
OITL
Operator in the Loop
OMC
Operation/Maintenance/Closeout
OMG
Object Management Group
ONNX
Open Neural Network Exchange
OODA
Observe, Orient, Decide, and Act
OPD
Object Process Diagram
OpenAI
OpenAI
OPL
Object Process Language
OPM
Object Process Methodology
OR
Operations Research
ORMS
Operations Research and Management Science
OS
Operating System
OSAT
On-site Acceptance Test
OSD
Office of the Secretary of Defense
OSS
Operations Support Systems
OSS
Open Source Software
OT&E
Operational Test and Evaluation
OTP
Operations Technical Plan
OTSG
Once Through Steam Generator
OWL
Web Ontology Language
P-CMM
People Capability Maturity Mode
P/H
Precipitation-Hardened
P/L
Parts List
P/N
Part Number
P&ID
Piping and Instrumentation Diagram
P2P
Path to Profitability
P3I
Pre-Planned Production Improvement
PA
Process Automation
PaaS
Platform as a Service
PaaS
Platform as a System
PAC
Programmable Automation Controller
PAPL
Program/Project Approved Parts List
PASS
Pull the pin Aim base of the fire Square the trigger Swipe side-to-side
PAYE
Pay As You Earn
PBD
Physical Block Diagram
PBSE
Pattern-Based Systems Engineering
pc
Piece
PCA
Principal Component Analysis