PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8983020-1Transformer,audio Frequency

L3 Technologies, Inc. Div Communication Systems-East · NSN 5950-00-974-4486 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-974-4486 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-974-4486. Primary manufacturer part number: 8983020-1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 2.250 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Height: 2.250 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
  • Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SECOND PRIMARY
  • Terminal Type and Quantity: 7 PIN
  • Frequency Rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-974-4486, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5950-00-974-4486
Primary Part Number8983020-1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length2.250 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height2.250 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SECOND PRIMARY
Terminal Type and Quantity7 PIN
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Width1.687 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms9.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms9500.0 NOMINAL SINGLE COMPONENT FIRST PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-299-5826 INTERCHANGEABLE
Light,traffic,aircraft
4930-00-400-52183330-189 INTERCHANGEABLE
Lubricator
Balcrank Products Inc
4130-00-425-12836133 INTERCHANGEABLE
Line Cord and Junction Block
Maycor Appliance Parts and Service Co Div of Maytag Corp
6125-00-446-9828 INTERCHANGEABLE
Parts Kit Contact
5960-00-808-1728 INTERCHANGEABLE
Electron Tube
5930-00-946-69037695K5 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5999-01-210-9960 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5330-01-367-6240 INTERCHANGEABLE
Gasket
5950-01-386-5838 INTERCHANGEABLE
Transformer,power
5120-01-399-9005J6133F INTERCHANGEABLE
Wrench,torque
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
8983020-1 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
8983020-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
44709 Freed Transformer Co (USA)
6133 Precision Electronics, Inc (USA)
Related Parts
6210-00-299-5826INTERCHANGEABLE
LIGHT,TRAFFIC,AIRCRAFT
4930-00-400-5218INTERCHANGEABLE
LUBRICATOR
3330-189
4130-00-425-1283INTERCHANGEABLE
LINE CORD AND JUNCTION BLOCK
6133
6125-00-446-9828INTERCHANGEABLE
PARTS KIT CONTACT
5960-00-808-1728INTERCHANGEABLE
ELECTRON TUBE
5930-00-946-6903INTERCHANGEABLE
SWITCH,TOGGLE
7695K5
5999-01-210-9960INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5330-01-367-6240INTERCHANGEABLE
GASKET
5950-01-386-5838INTERCHANGEABLE
TRANSFORMER,POWER
5120-01-399-9005INTERCHANGEABLE
WRENCH,TORQUE
J6133F
6515-01-421-5763INTERCHANGEABLE
HANDLE,MANUAL CONTR
6133
1370-01-551-6144INTERCHANGEABLE
FLARE,AIRCRAFT
6133

Frequently Asked Questions

What is NSN 5950-00-974-4486?

NSN 5950-00-974-4486 is a Transformer,audio Frequency, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-974-4486?

NSN 5950-00-974-4486 has 4 cross-referenced part numbers: 8983020-1 (L3 Technologies, Inc. Div Communication Systems-East), 8983020-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 44709 (Freed Transformer Co), 6133 (Precision Electronics, Inc).

What NSN replaces 5950-00-974-4486?

There are 12 known substitutes for 5950-00-974-4486: 6210-00-299-5826, 4930-00-400-5218, 4130-00-425-1283 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8983020-1?

Key specifications for 8983020-1: Reliability Indicator: NOT ESTABLISHED; Body Length: 2.250 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Body Height: 2.250 INCHES MINIMUM AND 2.437 INCHES MAXIMUM 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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