PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1203-94Transformer,power

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5950-00-421-2988 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-421-2988 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-421-2988. Primary manufacturer part number: 1203-94.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Body Height: 0.625 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.086 INCHES SINGLE GROUP IN
  • Body Width: 1.300 INCHES NOMINAL IN
  • Winding Operating Current: 3.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 2.700 INCHES NOMINAL IN
  • Winding Operating Voltage: 9.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-421-2988, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-421-2988
Primary Part Number1203-94
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Body Height0.625 INCHES MAXIMUM IN
Nominal Thread Size0.086 INCHES SINGLE GROUP IN
Body Width1.300 INCHES NOMINAL IN
Winding Operating Current3.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length2.700 INCHES NOMINAL IN
Winding Operating Voltage9.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Distance Between Mounting Facility Centers1.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Input-Output Phase RelationshipTWO PHASE TO THREE PHASE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Maximum Operating Temp100.0 CELSIUS DEGC
Winding Operating Voltage11.80 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity7 SOLDER STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-079-15741500-6 INTERCHANGEABLE
Washer,key
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5310-00-080-6004 INTERCHANGEABLE
Washer,flat
5310-00-087-7493 INTERCHANGEABLE
Washer,flat
5120-00-152-2299 INTERCHANGEABLE
Blade,nutdriver
5310-00-160-9673TR4436 INTERCHANGEABLE
Washer,flat
Komatsu America Corp.
2825-00-175-88749914 INTERCHANGEABLE
Seat
Northrop Grumman Systems Corporation Div Marine Systems
5930-00-240-3397 INTERCHANGEABLE
Switch,knife
5985-00-478-9269120394 INTERCHANGEABLE
Gear-Oil Pump Dr---
Curtiss-Wright Controls, Inc. Div Actuation Division
5310-00-582-5977120394 INTERCHANGEABLE
Washer,flat
Rolls-Royce Solutions America Inc
4320-00-620-8019120-0394 INTERCHANGEABLE
Pump,rotary
Cummins Power Generation Inc.
Cross-Reference Index
Part NumberManufacturer
1203-94 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
A9 B G Laboratories Inc. (USA)
9914 Standex Electronics, Inc. (USA)
Related Parts
5310-00-079-1574INTERCHANGEABLE
WASHER,KEY
1500-6
5310-00-080-6004INTERCHANGEABLE
WASHER,FLAT
5310-00-087-7493INTERCHANGEABLE
WASHER,FLAT
5120-00-152-2299INTERCHANGEABLE
BLADE,NUTDRIVER
5310-00-160-9673INTERCHANGEABLE
WASHER,FLAT
TR4436
2825-00-175-8874INTERCHANGEABLE
SEAT
9914
5930-00-240-3397INTERCHANGEABLE
SWITCH,KNIFE
5985-00-478-9269INTERCHANGEABLE
GEAR-OIL PUMP DR---
120394
5310-00-582-5977INTERCHANGEABLE
WASHER,FLAT
120394
4320-00-620-8019INTERCHANGEABLE
PUMP,ROTARY
120-0394
1660-00-805-9234INTERCHANGEABLE
STEM,VALVE
1605569-1
5940-00-926-8193INTERCHANGEABLE
TERMINAL,STUD
12802C3

Frequently Asked Questions

What is NSN 5950-00-421-2988?

NSN 5950-00-421-2988 is a Transformer,power, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-421-2988?

NSN 5950-00-421-2988 has 3 cross-referenced part numbers: 1203-94 (Bae Systems Information and Electronic Systems Integration Inc.), A9 (B G Laboratories Inc.), 9914 (Standex Electronics, Inc.).

What NSN replaces 5950-00-421-2988?

There are 12 known substitutes for 5950-00-421-2988: 5310-00-079-1574, 5310-00-080-6004, 5310-00-087-7493 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1203-94?

Key specifications for 1203-94: Inclosure Type: FULLY INCLOSED; Body Height: 0.625 INCHES MAXIMUM IN; Nominal Thread Size: 0.086 INCHES SINGLE GROUP IN; Body Width: 1.300 INCHES NOMINAL IN. 18 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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