PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900123-35Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-00-954-4496 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-954-4496 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-954-4496. Primary manufacturer part number: 900123-35.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 1.880 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Width: 1.690 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.880 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-954-4496, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-954-4496
Primary Part Number900123-35
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length1.880 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width1.690 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length0.880 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
Terminal Type and Quantity7 STANDOFF, SOLDER LUG
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage23.00 AC VOLTS NOMINAL AND 26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current1.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Body Height1.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.060 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage39.00 AC VOLTS NOMINAL AND 78.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-227-5966 INTERCHANGEABLE
Drill,twist
5315-00-282-687912521 INTERCHANGEABLE
Pin,straight,headless
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4730-00-289-5268 INTERCHANGEABLE
Packing Nut
5935-00-430-6877ST5M1348TS1C INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
5930-00-655-1513 INTERCHANGEABLE
Switch,toggle
5340-00-721-7226930-3 INTERCHANGEABLE
Handle,bow
Goe Engineering Co Inc
5930-00-883-01282615080-016 INTERCHANGEABLE
Switch,push
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-303-1107 INTERCHANGEABLE
Valve,gate
5340-01-537-997412521 INTERCHANGEABLE
Cap,filler Opening
Generac Mobile Products, Llc
3020-01-628-502812521 INTERCHANGEABLE
Rod,pinion
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
900123-35 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
12521 Robert M. Hadley Company, Inc. (USA)
16P12 A.e.york, Llc (USA)
Related Parts
5133-00-227-5966INTERCHANGEABLE
DRILL,TWIST
5315-00-282-6879INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
12521
4730-00-289-5268INTERCHANGEABLE
PACKING NUT
5935-00-430-6877INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1348TS1C
5930-00-655-1513INTERCHANGEABLE
SWITCH,TOGGLE
5340-00-721-7226INTERCHANGEABLE
HANDLE,BOW
930-3
5930-00-883-0128INTERCHANGEABLE
SWITCH,PUSH
2615080-016
4820-01-303-1107INTERCHANGEABLE
VALVE,GATE
5340-01-537-9974INTERCHANGEABLE
CAP,FILLER OPENING
12521
3020-01-628-5028INTERCHANGEABLE
ROD,PINION
12521

Frequently Asked Questions

What is NSN 5950-00-954-4496?

NSN 5950-00-954-4496 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-954-4496?

NSN 5950-00-954-4496 has 3 cross-referenced part numbers: 900123-35 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 12521 (Robert M. Hadley Company, Inc.), 16P12 (A.e.york, Llc).

What NSN replaces 5950-00-954-4496?

There are 10 known substitutes for 5950-00-954-4496: 5133-00-227-5966, 5315-00-282-6879, 4730-00-289-5268 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 900123-35?

Key specifications for 900123-35: Reliability Indicator: NOT ESTABLISHED; Body Length: 1.880 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN. 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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