NSN 5950-00-189-3786 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-189-3786. Manufacturer of record part number: S0-1011.
Also searched as5950-00-189-3786 ·
5950001893786 ·
NIIN 001893786 ·
00-189-3786 ·
FSC 5950 Coils and Transformers · CAGE 3B4M0 · S0-1011 · DMS 79034B
The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-189-3786, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5950-00-189-3786
Primary Part Number
S0-1011
Item Name
Transformer,audio Frequency
FSC / FSG
5950 / 59 — Coils and Transformers
Manufacturer
Lucent Technologies Inc Corporate Headquarters
Status
ACTIVE
Mounting Facility Quantity
4 SINGLE GROUP
Inclosure Type
HERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length
1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Method
THREADED STUD(S) SINGLE GROUP
Body Width
2.688 INCHES NOMINAL IN
Body Height
3.938 INCHES NOMINAL IN
Winding Function and Quantity
1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms
225.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms
4566.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding Method
INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Nominal Thread Size
0.138 INCHES SINGLE GROUP IN
Body Length
3.531 INCHES NOMINAL IN
Winding Operating Current
20.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Reliability Indicator
NOT ESTABLISHED
Frequency Rating
500.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width
1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch
32 SINGLE GROUP
Primary to Secondary Turn Ratio
1 TO 4-1/2 SINGLE COMPONENT
Terminal Type and Quantity
7 TAB, SOLDER LUG
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5950-00-189-49867605344POSSIBLE MATCH
TRANSFORMER,RADIO FREQUENCY
Possible match (shared part number)Army, United States Department of the Dba Rock Island Arsenal Jmtc
5950-00-303-53638175011POSSIBLE MATCH
COIL,RADIO FREQUENCY
Possible match (shared part number)Us Army Aviation and Missile Command
5950-00-399-7576GA50895POSSIBLE MATCH
COIL,RADIO FREQUENCY
Possible match (shared part number)Lucent Technologies Inc Corporate Headquarters
5950-00-487-8082POSSIBLE MATCH
REACTOR-TRANSFORMER
Possible match (shared part number)
5950-00-622-44987605341POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5950-00-645-08337605549POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
Possible match (shared part number)Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5950-00-645-1839D166452POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
Possible match (shared part number)Lucent Technologies Inc Corporate Headquarters
5950-00-645-4435SCC63292POSSIBLE MATCH
COIL,TELEPHONE
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-647-9301ES0638315POSSIBLE MATCH
COIL,RADIO FREQUENCY
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5996-00-674-9694LD489257POSSIBLE MATCH
AMPLIFIER,MAGNETIC
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Lucent Technologies Inc Dba Federal Marketing Group
DMS 79034B
5/9Secondary reference
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Related Parts
5950-00-189-4986POSSIBLE MATCH
TRANSFORMER,RADIO FREQUENCY
7605344
5950-00-303-5363POSSIBLE MATCH
COIL,RADIO FREQUENCY
8175011
5950-00-399-7576POSSIBLE MATCH
COIL,RADIO FREQUENCY
GA50895
5950-00-487-8082POSSIBLE MATCH
REACTOR-TRANSFORMER
5950-00-622-4498POSSIBLE MATCH
TRANSFORMER,POWER
7605341
5950-00-645-0833POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
7605549
5950-00-645-1839POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
D166452
5950-00-645-4435POSSIBLE MATCH
COIL,TELEPHONE
SCC63292
5950-00-647-9301POSSIBLE MATCH
COIL,RADIO FREQUENCY
ES0638315
5996-00-674-9694POSSIBLE MATCH
AMPLIFIER,MAGNETIC
LD489257
5996-00-674-9695POSSIBLE MATCH
AMPLIFIER,MAGNETIC
1439515
5950-00-761-6996POSSIBLE MATCH
TRANSFORMER,RADIO FREQUENCY
7616986
Frequently Asked Questions
What is NSN 5950-00-189-3786?
NSN 5950-00-189-3786 is a Transformer,audio Frequency, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5950, Coils and Transformers. Status: active.
What part numbers are listed for NSN 5950-00-189-3786?
NSN 5950-00-189-3786 has 1 manufacturer part number on file: S0-1011 (Lucent Technologies Inc Corporate Headquarters).
What NSN replaces 5950-00-189-3786?
12 possible matches (shared part number, not a government interchangeability claim): 5950-00-189-4986, 5950-00-303-5363, 5950-00-399-7576. Verify interchangeability with system specifications before substitution.
What are the specifications of S0-1011?
Key specifications for S0-1011: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 20 specifications are documented in the U.S. Government catalog.
Is NSN 5950-00-189-3786 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.