PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1225792Transformer,audio Frequency

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-553-6027 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-553-6027 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-553-6027. Primary manufacturer part number: 1225792.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 400.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Impedance Rating in Ohms: 555.0 NOMINAL SINGLE COMPONENT SECOND PRIMARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Impedance Rating in Ohms: 3000.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL 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 5950-00-553-6027, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-553-6027
Primary Part Number1225792
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms555.0 NOMINAL SINGLE COMPONENT SECOND PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Impedance Rating in Ohms3000.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Height2.375 INCHES NOMINAL IN
Body Width1.438 INCHES NOMINAL IN
Terminal Type and Quantity10 TAB, SOLDER LUG
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Current30.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Inclosure TypeHERMETICALLY SEALED
Maximum Transformer Power Rating360.0 MILLIWATTS SINGLE COMPONENT
Winding Operating Current30.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL PRIMARY
Body Length1.438 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Impedance Rating in Ohms1600.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
Impedance Rating in Ohms181000.0 NOMINAL SINGLE COMPONENT FIRST PRIMARY
Distance Between Mounting Facility Centers0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-142-435514125A INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2915-00-346-693828354 INTERCHANGEABLE
Button,diaphragm
Triumph Engine Control Systems Llc
2530-00-352-1910 INTERCHANGEABLE
Link,anchor,brake Shoe
1270-00-403-899761879 INTERCHANGEABLE
Elbow
Cadillac Gage Textron Inc.
5950-00-482-7843C0100E2A INTERCHANGEABLE
Transformer,electrical
Eaton Corporation
5360-00-664-7851BPC028354 INTERCHANGEABLE
Spring,helical,compression
Dana Off Highway Products, Llc
5977-00-702-9687 INTERCHANGEABLE
Brush Set,electrical Contact
5305-00-847-115928354 INTERCHANGEABLE
Screw,cap,hexagon Head
Dresser, Llc
2530-01-004-194928354 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Bridgestone Americas Tire Operations, Llc
3040-01-109-418828354 INTERCHANGEABLE
Cap,accumulator
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
28354 Freed Transformer Co (USA)
1225792 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
61-879 Precision Electronics, Inc (USA)
61-879 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
FD61-879 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
61-879 Itt Industries Inc Itt Aerospace Communications Div East (USA)
Related Parts
3110-00-142-4355INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
14125A
2915-00-346-6938INTERCHANGEABLE
BUTTON,DIAPHRAGM
28354
2530-00-352-1910INTERCHANGEABLE
LINK,ANCHOR,BRAKE SHOE
1270-00-403-8997INTERCHANGEABLE
ELBOW
61879
5950-00-482-7843INTERCHANGEABLE
TRANSFORMER,ELECTRICAL
C0100E2A
5360-00-664-7851INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
BPC028354
5977-00-702-9687INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
5305-00-847-1159INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
28354
2530-01-004-1949INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
28354
3040-01-109-4188INTERCHANGEABLE
CAP,ACCUMULATOR
28354
6680-01-198-4449INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
61879
5365-01-249-2890INTERCHANGEABLE
SPACER,SLEEVE

Frequently Asked Questions

What is NSN 5950-00-553-6027?

NSN 5950-00-553-6027 is a Transformer,audio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-553-6027?

NSN 5950-00-553-6027 has 6 cross-referenced part numbers: 28354 (Freed Transformer Co), 1225792 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 61-879 (Precision Electronics, Inc), 61-879 (Lockheed Martin Corporation Div Rms - Mitchel Field), FD61-879 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 1 more.

What NSN replaces 5950-00-553-6027?

There are 12 known substitutes for 5950-00-553-6027: 3110-00-142-4355, 2915-00-346-6938, 2530-00-352-1910 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1225792?

Key specifications for 1225792: Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 400.0 HERTZ MAXIMUM SINGLE COMPONENT; Impedance Rating in Ohms: 555.0 NOMINAL SINGLE COMPONENT SECOND PRIMARY; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-553-6027 still in active supply?

NSN 5950-00-553-6027 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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