PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61660-021Transformer,audio Frequency

Dynalec Corporation · NSN 5950-00-155-0513 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-155-0513 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-155-0513. Primary manufacturer part number: 61660-021.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 500.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Body Length: 1.000 INCHES NOMINAL IN
  • Maximum Transformer Power Rating: 10.0 MILLIWATTS SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 6 PIN
  • Mounting Method: TERMINAL SINGLE GROUP
  • Impedance Rating in Ohms: 2000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-155-0513, 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 Dynalec Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-155-0513
Primary Part Number61660-021
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Impedance Rating in Ohms500.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Body Length1.000 INCHES NOMINAL IN
Maximum Transformer Power Rating10.0 MILLIWATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity6 PIN
Mounting MethodTERMINAL SINGLE GROUP
Impedance Rating in Ohms2000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Outside Diameter1.500 INCHES NOMINAL IN
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating100.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2815-00-064-788829128 INTERCHANGEABLE
Cylinder Head,diesel Engine
Napco International Llc Dba Napco International Inc
2805-00-516-9459DR3 INTERCHANGEABLE
Ring Set,piston
Wisconsin Motors, Llc
6625-00-881-118342737 INTERCHANGEABLE
Housing,electrical Meter
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5962-01-178-239442737 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
7240-01-309-0666 INTERCHANGEABLE
Container Waste
5340-01-433-339442737 INTERCHANGEABLE
Deflector,dirt and Liquid
Dana Light Axle Products, Llc Dba Dana Light Axle Products
3040-01-686-400742737 INTERCHANGEABLE
Connecting Link,rigid
Fleet Readiness Center East Div Department of Navy
Cross-Reference Index
Part NumberManufacturer
42737 Coast/advanced Chip Magnetics, Inc. (USA)
61660-021 PRIMARY Dynalec Corporation (USA)
G1660-021 Dynalec Corporation (USA)
Related Parts
2815-00-064-7888INTERCHANGEABLE
CYLINDER HEAD,DIESEL ENGINE
29128
2805-00-516-9459INTERCHANGEABLE
RING SET,PISTON
DR3
6625-00-881-1183INTERCHANGEABLE
HOUSING,ELECTRICAL METER
42737
5962-01-178-2394INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42737
7240-01-309-0666INTERCHANGEABLE
CONTAINER WASTE
5340-01-433-3394INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
42737
3040-01-686-4007INTERCHANGEABLE
CONNECTING LINK,RIGID
42737

Frequently Asked Questions

What is NSN 5950-00-155-0513?

NSN 5950-00-155-0513 is a Transformer,audio Frequency, manufactured by Dynalec Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-155-0513?

NSN 5950-00-155-0513 has 3 cross-referenced part numbers: 42737 (Coast/advanced Chip Magnetics, Inc.), 61660-021 (Dynalec Corporation), G1660-021 (Dynalec Corporation).

What NSN replaces 5950-00-155-0513?

There are 7 known substitutes for 5950-00-155-0513: 2815-00-064-7888, 2805-00-516-9459, 6625-00-881-1183 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61660-021?

Key specifications for 61660-021: Impedance Rating in Ohms: 500.0 NOMINAL SINGLE COMPONENT ALL SECONDARY; Body Length: 1.000 INCHES NOMINAL IN; Maximum Transformer Power Rating: 10.0 MILLIWATTS SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED. 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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