The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-985-3176, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-985-3176 |
| Primary Part Number | 2557894-1REVB |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Mounting Method | TAB SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 16000.0 MINIMUM AND 22000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Shielding Method | EXTERNAL INCLOSURE SINGLE COMPONENT |
| Body Length | 0.880 INCHES NOMINAL IN |
| Winding Operating Current | 0.3 MILLIAMPERES DC MINIMUM AND 1.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Mounting Tab Width | 0.020 INCHES NOMINAL IN |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 4 PIN |
| 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 |
|---|---|
| 2557894-1REVB PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2557894-1REVB | 5/9 Secondary reference Raytheon Company Div Corp |
| 2557894-1REVB | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5950-00-985-3176 is a Transformer,audio Frequency, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-985-3176 has 1 manufacturer part number on file: 2557894-1REVB (Raytheon Company Dba Raytheon Co).
Key specifications for 2557894-1REVB: Inclosure Type: FULLY INCLOSED; Overall Diameter: 1.250 INCHES NOMINAL IN; Body Outside Diameter: 1.000 INCHES NOMINAL IN; Mounting Method: TAB SINGLE GROUP. 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.
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.