PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9121C4004-3Transformer,pulse

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5950-00-054-5949 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-054-5949 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-054-5949. Primary manufacturer part number: 9121C4004-3.
Features
  • Transformer,pulse — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Features Provided: TINNED WIRE LEADS
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Body Outside Diameter: 0.423 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
  • DC Resistance Rating in Ohms: 0.800 SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-054-5949, 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. Dba Bae Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5950-00-054-5949
Primary Part Number9121C4004-3
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Features ProvidedTINNED WIRE LEADS
Reliability IndicatorNOT ESTABLISHED
Body Length0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Outside Diameter0.423 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
DC Resistance Rating in Ohms0.800 SINGLE COMPONENT FIRST SECONDARY
Primary to Secondary Turn Ratio1 TO 4 TO 1 SINGLE COMPONENT
Terminal Type and Quantity6 WIRE LEAD
Inductance Rating610.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTERMINAL SINGLE GROUP
DC Resistance Rating in Ohms3.000 SINGLE COMPONENT SECOND SECONDARY
DC Resistance Rating in Ohms2.900 SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-005-14962672 INTERCHANGEABLE
Cable Assembly Set,electrical
Mission Systems Davenport Inc.
5310-00-134-41322672 INTERCHANGEABLE
Washer,flat
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4720-00-247-33652-672 INTERCHANGEABLE
Hose,nonmetallic
Maytag Corporation Dba Maytag Appliancessales
1650-00-475-73732672 INTERCHANGEABLE
Cap,valve
Meggitt North Hollywood Inc
6650-00-526-4251 INTERCHANGEABLE
Magnifier
3110-00-554-3409 INTERCHANGEABLE
Bearing,ball,annular
5905-00-892-632426-72 INTERCHANGEABLE
Resistor,fixed,wire Wound
Keysight Technologies Inc
5975-01-043-13982672 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5955-01-098-0816SM-B-745706 INTERCHANGEABLE
Oscillator,crystal Controlled
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6530-01-159-1716 INTERCHANGEABLE
Restraint,body
Cross-Reference Index
Part NumberManufacturer
B456575 Raytheon Technical Services Company (USA)
B456575 Cae Usa Inc. (USA)
9121C4004-3 Lockheed Corp Lockheed Electronics Co Inc (USA)
2672 Pulse Engineering Inc (USA)
9121C4004-3 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
4920-00-005-1496INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
2672
5310-00-134-4132INTERCHANGEABLE
WASHER,FLAT
2672
4720-00-247-3365INTERCHANGEABLE
HOSE,NONMETALLIC
2-672
1650-00-475-7373INTERCHANGEABLE
CAP,VALVE
2672
6650-00-526-4251INTERCHANGEABLE
MAGNIFIER
3110-00-554-3409INTERCHANGEABLE
BEARING,BALL,ANNULAR
5905-00-892-6324INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
26-72
5975-01-043-1398INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2672
5955-01-098-0816INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
SM-B-745706
6530-01-159-1716INTERCHANGEABLE
RESTRAINT,BODY
5995-01-170-3962INTERCHANGEABLE
LEAD SET,ELECTRICAL
TO 04339406
5935-01-243-4401INTERCHANGEABLE
ADAPTER,CONNECTOR
2672

Frequently Asked Questions

What is NSN 5950-00-054-5949?

NSN 5950-00-054-5949 is a Transformer,pulse, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-054-5949?

NSN 5950-00-054-5949 has 5 cross-referenced part numbers: B456575 (Raytheon Technical Services Company), B456575 (Cae Usa Inc.), 9121C4004-3 (Lockheed Corp Lockheed Electronics Co Inc), 2672 (Pulse Engineering Inc), 9121C4004-3 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5950-00-054-5949?

There are 12 known substitutes for 5950-00-054-5949: 4920-00-005-1496, 5310-00-134-4132, 4720-00-247-3365 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9121C4004-3?

Key specifications for 9121C4004-3: Inclosure Type: FULLY INCLOSED; Features Provided: TINNED WIRE LEADS; Reliability Indicator: NOT ESTABLISHED; Body Length: 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN. 13 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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