PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3147991-1Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-01-122-7277 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-122-7277 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-122-7277. Primary manufacturer part number: 3147991-1.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 2.220 INCHES MAXIMUM IN
  • Winding Operating Current: 100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Current: 85.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-122-7277, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-122-7277
Primary Part Number3147991-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width2.220 INCHES MAXIMUM IN
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeFULLY INCLOSED
Winding Operating Current85.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.689 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.311 INCHES MAXIMUM IN
Terminal Type and Quantity10 SOLDER STUD
Body Height2.835 INCHES MAXIMUM IN
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.579 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-082-4139 INTERCHANGEABLE
Electron Tube
5910-00-163-724610186095-2 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Us Army Aviation and Missile Command
5330-00-168-59675751 INTERCHANGEABLE
Seal,blower Assy
Kirkhill, Inc. Dba Kirkhill Inc
5330-00-286-687343-325 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5975-00-319-5033 INTERCHANGEABLE
Extension,junction Box
4820-00-343-5397575-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Huck International, Inc. Div Kingston Operations
5960-00-581-94315751 INTERCHANGEABLE
Electron Tube
General Dynamics Mission Systems, Inc.
5960-00-647-2998 INTERCHANGEABLE
Electron Tube
6150-00-665-3959M7111 INTERCHANGEABLE
Cable Assembly,special Purpose,e
General Electric Co Wiring Device Dept
5960-00-669-6862 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
1054153-1 Lockheed Martin Corporation Div Rms (USA)
1054153-001 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
3147991-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5950PL1261985 Jednolity Indeks Materialowy - Uniform Material Index (POL)
3147991-1 Naval Sea Systems Command (USA)
1054153-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5751 Precision Electronics, Inc (USA)
Related Parts
5960-00-082-4139INTERCHANGEABLE
ELECTRON TUBE
5910-00-163-7246INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
10186095-2
5330-00-168-5967INTERCHANGEABLE
SEAL,BLOWER ASSY
5751
5330-00-286-6873INTERCHANGEABLE
SEAL,PLAIN ENCASED
43-325
5975-00-319-5033INTERCHANGEABLE
EXTENSION,JUNCTION BOX
4820-00-343-5397INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
575-1
5960-00-581-9431INTERCHANGEABLE
ELECTRON TUBE
5751
5960-00-647-2998INTERCHANGEABLE
ELECTRON TUBE
6150-00-665-3959INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
M7111
5960-00-669-6862INTERCHANGEABLE
ELECTRON TUBE
5960-00-705-9094INTERCHANGEABLE
ELECTRON TUBE
6625-01-119-2198INTERCHANGEABLE
TEST SET,ANTENNA
5751

Frequently Asked Questions

What is NSN 5950-01-122-7277?

NSN 5950-01-122-7277 is a Transformer,power, 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 5950-01-122-7277?

NSN 5950-01-122-7277 has 7 cross-referenced part numbers: 1054153-1 (Lockheed Martin Corporation Div Rms), 1054153-001 (Lockheed Martin Corporation Div Rms - Mitchel Field), 3147991-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 5950PL1261985 (Jednolity Indeks Materialowy - Uniform Material Index), 3147991-1 (Naval Sea Systems Command) and 2 more.

What NSN replaces 5950-01-122-7277?

There are 12 known substitutes for 5950-01-122-7277: 5960-00-082-4139, 5910-00-163-7246, 5330-00-168-5967 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3147991-1?

Key specifications for 3147991-1: Reliability Indicator: NOT ESTABLISHED; Body Width: 2.220 INCHES MAXIMUM IN; Winding Operating Current: 100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Inclosure Type: FULLY INCLOSED. 20 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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