PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1884999Transformer,power Autotransforme

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-701-4182 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-701-4182 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-701-4182. Primary manufacturer part number: 1884999.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.891 INCHES MINIMUM AND 0.985 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 0.69 AC VOLTS NOMINAL AND 2.52 AC VOLTS NOMINAL AND 16.89 AC VOLTS NOMINAL AND 16.94 AC VOLTS NOMINAL AND 17.32 AC VOLTS NOMINAL AND 18.06 AC VOLTS NOMINAL AND 19.19 AC VOLTS NOMINAL AND 22.38 AC VOLTS NOMINAL AND 33.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-701-4182, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-701-4182
Primary Part Number1884999
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width0.891 INCHES MINIMUM AND 0.985 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage0.69 AC VOLTS NOMINAL AND 2.52 AC VOLTS NOMINAL AND 16.89 AC VOLTS NOMINAL AND 16.94 AC VOLTS NOMINAL AND 17.32 AC VOLTS NOMINAL AND 18.06 AC VOLTS NOMINAL AND 19.19 AC VOLTS NOMINAL AND 22.38 AC VOLTS NOMINAL AND 33.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting Facility Quantity4 SINGLE GROUP
Body Length1.906 INCHES MINIMUM AND 1.969 INCHES MAXIMUM IN
Terminal Type and Quantity12 WIRE HOOK
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Body Width1.531 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current2.25 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Height1.781 INCHES MINIMUM AND 1.907 INCHES MAXIMUM IN
Winding Operating Voltage60.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-350-4011128 1-4 75 INTERCHANGEABLE
Valve,safety Relief
F.c.kingston Co. Dba Storm Manufacturing
4210-00-586-088310-04523 INTERCHANGEABLE
Proportioner,foam Liquid,line Ty
Tyco Fire Products Lp
4820-00-822-2450 INTERCHANGEABLE
Stem,diaphragm Assembly
Cross-Reference Index
Part NumberManufacturer
W-12668 Unisys Corp Systems Development (USA)
1884999 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1004523 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
436187 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
M-3685 Microtran Co Inc (USA)
Related Parts
4820-00-350-4011INTERCHANGEABLE
VALVE,SAFETY RELIEF
128 1-4 75
4210-00-586-0883INTERCHANGEABLE
PROPORTIONER,FOAM LIQUID,LINE TY
10-04523
4820-00-822-2450INTERCHANGEABLE
STEM,DIAPHRAGM ASSEMBLY

Frequently Asked Questions

What is NSN 5950-00-701-4182?

NSN 5950-00-701-4182 is a Transformer,power Autotransforme, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-701-4182?

NSN 5950-00-701-4182 has 5 cross-referenced part numbers: W-12668 (Unisys Corp Systems Development), 1884999 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1004523 (Lockheed Martin Corporation Div Rms - Mitchel Field), 436187 (Lockheed Martin Corporation Div Rms - Mitchel Field), M-3685 (Microtran Co Inc).

What NSN replaces 5950-00-701-4182?

There are 3 known substitutes for 5950-00-701-4182: 4820-00-350-4011, 4210-00-586-0883, 4820-00-822-2450. Verify interchangeability with system specifications before substitution.

What are the specifications of 1884999?

Key specifications for 1884999: Center to Center Distance Between Mounting Facilities Parallel to Width: 0.891 INCHES MINIMUM AND 0.985 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: FULLY INCLOSED; Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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