The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-116-7466, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Instruments and Flight Research, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-116-7466 |
| Primary Part Number | 63149-1 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.875 INCHES NOMINAL IN |
| Body Height | 1.000 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 20.0 DECIBELS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 50000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Body Length | 1.031 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 300.0 HERTZ NOMINAL AND 15.0 KILOHERTZ 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 |
|---|---|
| 63149-1 | Instruments and Flight Research, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MT3PC | 3/9 Design control — primary reference Microtran Co Inc |
NSN 5950-00-116-7466 is a Transformer,audio Frequency, manufactured by Instruments and Flight Research, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-116-7466 has 1 manufacturer part number on file: 63149-1 (Instruments and Flight Research, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-423-5565. Verify interchangeability with system specifications before substitution.
Key specifications for 63149-1: Overall Height: 1.031 INCHES NOMINAL IN; Inclosure Type: OPEN; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.875 INCHES NOMINAL IN. 12 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.