PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1801161Transformer,audio Frequency

Northrop Grumman Systems Corporation · NSN 5950-00-937-3996 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-937-3996 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-937-3996. Primary manufacturer part number: 1801161.
Features
  • Transformer,audio Frequency — FSC 5950
  • Test Data Document: 03956-1801161 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Frequency Rating: 250.0 HERTZ MINIMUM AND 10000.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Current: 0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-937-3996, 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. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-937-3996
Primary Part Number1801161
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Test Data Document03956-1801161 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Impedance Rating in Ohms60.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Impedance Rating in Ohms60.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
Frequency Rating250.0 HERTZ MINIMUM AND 10000.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Body Length1.000 INCHES NOMINAL IN
Winding Operating Current0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Impedance Rating in Ohms100000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Body Height1.375 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Width1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-108-9661 INTERCHANGEABLE
Packing,preformed
6685-00-641-0189 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5935-01-006-81595939 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2930-01-010-1468 INTERCHANGEABLE
Radiator,engine Coolant
4820-01-012-6439 INTERCHANGEABLE
Barrel Assembly,valve
5962-01-213-91430N503649-1 INTERCHANGEABLE
Microcircuit,digital
National Security Agency
1265-01-318-55175939 INTERCHANGEABLE
Receiver-Transmitter Subassembly
Naval Sea Systems Command
6685-01-462-5334 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Cross-Reference Index
Part NumberManufacturer
1801161 PRIMARY Northrop Grumman Systems Corporation (USA)
5939 Precision Electronics, Inc (USA)
Related Parts
5330-00-108-9661INTERCHANGEABLE
PACKING,PREFORMED
6685-00-641-0189INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5935-01-006-8159INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5939
2930-01-010-1468INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
4820-01-012-6439INTERCHANGEABLE
BARREL ASSEMBLY,VALVE
5962-01-213-9143INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
0N503649-1
1265-01-318-5517INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
5939
6685-01-462-5334INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME

Frequently Asked Questions

What is NSN 5950-00-937-3996?

NSN 5950-00-937-3996 is a Transformer,audio Frequency, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-937-3996?

NSN 5950-00-937-3996 has 2 cross-referenced part numbers: 1801161 (Northrop Grumman Systems Corporation), 5939 (Precision Electronics, Inc).

What NSN replaces 5950-00-937-3996?

There are 8 known substitutes for 5950-00-937-3996: 5330-00-108-9661, 6685-00-641-0189, 5935-01-006-8159 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1801161?

Key specifications for 1801161: Test Data Document: 03956-1801161 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY; Reliability Indicator: NOT ESTABLISHED; Winding Operating Current: 0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY. 21 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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