The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-240-0763, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5950-00-240-0763 |
| Primary Part Number | 25B80690 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | CANCELLED |
| Inclosure Type | HERMETICALLY SEALED |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 0.969 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 17.0 DECIBELS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 16000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Distance Between Mounting Facility Centers | 0.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.844 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 1.0 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 5-3/16 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 STANDOFF, SOLDER LUG |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25B80690 | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| SCC126896 | 3/2 Design control — primary reference U.S. Government activity |
| A4027 | 5/9 Secondary reference Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. |
| 81-2084 | 5/9 Secondary reference Wilcox Gay Corp |
| A4027G | 5/9 Secondary reference Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. |
| 6689 | 5/9 Secondary reference U.S. Government activity |
| 25B80690 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-240-0763 is a Transformer,audio Frequency, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5950, Coils and Transformers. Status: cancelled.
NSN 5950-00-240-0763 has 1 manufacturer part number on file: 25B80690 (General Dynamics Mission Systems, Inc. Dba Gdms).
7 possible matches (shared part number, not a government interchangeability claim): 4030-00-273-3070, 6660-00-592-8987, 5331-00-752-4057. Verify interchangeability with system specifications before substitution.
Key specifications for 25B80690: Inclosure Type: HERMETICALLY SEALED; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 0.969 INCHES NOMINAL IN; Maximum Transformer Power Rating: 17.0 DECIBELS SINGLE COMPONENT. 13 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.
NSN 5950-00-240-0763 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.