The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-208-4197, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-208-4197 |
| Primary Part Number | GT825CY1 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Body Height | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 500.0 MILLIWATTS SINGLE COMPONENT |
| Mounting Hole Diameter | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 16.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT |
| Features Provided | COLOR CODED LEAD |
| Distance Between Mounting Facility Centers | 0.593 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Maximum Operating Temp | 131.0 CELSIUS DEGC |
| Body Length | 0.875 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 10 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 43221 | Coast/advanced Chip Magnetics, Inc. (USA) |
| HY3119 | Hytronics Corp. (USA) |
| 118D5500-504 | West Electronics Inc (USA) |
| C14547 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| GT825CY1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| PEI 7278 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| GT825CY1 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-208-4197 is a Transformer,audio Frequency, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-208-4197 has 6 manufacturer part numbers on file: 43221 (Coast/advanced Chip Magnetics, Inc.), HY3119 (Hytronics Corp.), 118D5500-504 (West Electronics Inc), C14547 (Electronic Transformer Corp Div Electronic Transformer Corporation), GT825CY1 (Northrop Grumman Systems Corporation) and 1 more.
6 possible matches (shared part number, not a government interchangeability claim): 5930-01-022-8375, 5315-01-175-7702, 3110-01-272-9856. Verify interchangeability with system specifications before substitution.
Key specifications for GT825CY1: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.