The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-759-9719, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Torotel, Inc. Div Torotel Products, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-759-9719 |
| Primary Part Number | 18748 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Torotel, Inc. Div Torotel Products, Inc. |
| Status | ACTIVE |
| Transformer Function | MODULATION |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.938 INCHES NOMINAL IN |
| Body Height | 2.438 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.188 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Body Length | 2.000 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.563 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Primary to Secondary Turn Ratio | 1 TO 1 TO 1 TO 8.75 SINGLE COMPONENT |
| Terminal Type and Quantity | 10 STANDOFF, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40201-1 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| 18748 PRIMARY | Torotel, Inc. Div Torotel Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 13548 | 5/9 Secondary reference Torotel, Inc. Div Torotel Products, Inc. |
| 040201-0001 | C/1 Advisory reference — outside the item-of-supply concept Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
NSN 5950-00-759-9719 is a Transformer,audio Frequency, manufactured by Torotel, Inc. Div Torotel Products, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-759-9719 has 2 manufacturer part numbers on file: 40201-1 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), 18748 (Torotel, Inc. Div Torotel Products, Inc.).
7 possible matches (shared part number, not a government interchangeability claim): 5342-01-136-5641, 5305-01-246-3266, 4730-01-345-2398. Verify interchangeability with system specifications before substitution.
Key specifications for 18748: Transformer Function: MODULATION; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 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 5950-00-759-9719 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.