NASA Acronyms

Alphabetical Listing of NASA Acronyms

• NRI — NonreCurring Investment
• NRL — Naval Research Laboratory
• NRM — Nonrecurring Maintenance
• NRP — Normal Rated Power
• NRS — Nonconformance Reporting System
• NRT — Near Real-Time
• NRTS — Not Repairable At This Station
• NRZ — Non-Return-to-Zero
• NRZ-L — Non-Return-to-Zero Level
• NS — Nickel Steel
• NSA — National Standards Association
• NSD — NASA Standard Detonator
• NSGT — NASA Ground Terminal
• NSI-I — NASA Standard Initiator-Type I (was SMSI)
• NSN — National Stock Number
• NSO — NASA Support Operation
• NSP — NASA SupportPlan
• NSP — Network Signal Processor
• NSP — Network Signal Processor
• NSR — National Slow Rate
• NSR — Nominal SlowRate
• NSR — Normal Slow Rate (Maneuver)
• NSR1 — First Coell;ptic Maneuver
• NSR2 — Second Coelliptic Maneuver
• NSS — Nitrogen Supply Subsystem
• NSSDC — National Space Science Data Center
• NSTL — National Space Technology Laboratories
• NSTL — National Space Technology Laboratory (was MTF)
• NSW — NSP Status Word
• NT — Newton
• NTIS — National Technical Information Service
• NTO — NitrogenTetroxide
• NTP — Network Test Panel
• NTP — Normal Temperature And Pressure
• NTP — Notice ToProceed
• NTS — Near Term Schedule
• NTS — Not To Scale
• NTSO — NASA Test Support Office
• NTTF — Network Test And Training Facility
• NUCLEAR — ShuNuclear Shuttle
• NUL — Non-GSE Utilization List
• NVAFB — North Vandenberg Air Force Base
• NVB — Navigational Base
• NVPOWG — NASA/VAFB Payload Operations Working Group
• NVR — No Voltage Release
• NVR — Non-Verification Required
• NVR — Nonvolatile Residue
• NW — NASA Waiver
• NW — Nose Wheel
• NWS — National Weather Service
• NWS — Nose Wheel Steering
• NWS — Nose-Wheel Steering
• NWSA — Nose Wheel Steering Amplifier
• NWSI — New World Services Inc.
• NWT — Nonwatertight
• NWW — Nose Wheel Well
• NX — NOrmal To X-Axis
• NY — Normal To Y-Axis
• NZ — Normal Acceleration
• NZB — Non Zero Binary
• O — Engineering Order
• O&C — Operation And Checkout
• O&C — Operation(s) And Checkout (Building-was MSOB)
• O&C — Operations And Checkout
• O&C — Operations And Control
• O&FS — Operations And Flight Support
• O&M — Operation And Maintenance
• O&P — Operations And Procedures
• O&R — Overhaul And Repair
• O-NAV — Onboard Navigation
• O/B — Onboard
• O/B — Operational Base
• O/C — Operations Critical
• O/D — On Dock
• O/D — Outside Diameter
• O/ET — Orbiter/External Tank
• O/F — Oxidizet–to-Fuel Ratio
• O/L — Overload
• O/L-RC — Overload-Reverse Current
• O/R — Outside Radius
• O/R — Oxygen Relief
• O/V — Overvoltage
• O/V-U/V — Over Voltage/Under Voltage
• O2 — Oxygen
• OA — Office Of Applications (now OSTA)
• OA — Operational Aft (DSC Or MOM)
• OA — Operational Instrumentation MDM-Aft
• OA — Orbital Assembly
• OA — Output Axis
• OA — Overall
• OAA — Orbiter Access Arm
• OAA — Orbiter Access Arm
• OAA — Orbiter Alternate Airfield
• OAC — Quality Assurance Chart
• OAFD — Orbiter Air Flight Deck
• OAFTO — Orbiter Atmospheric Flight Test Office
• OAL — Overall Level
• OALC — Ogden Air Logistics Center
• OAMS — Orbital Attitude And Maneuvering System
• OAS — Office Automation System