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

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