The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-400-5464, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | Coast/advanced Chip Magnetics, Inc. (CAGE 22558); L3 Technologies, Inc. Div Communication Systems-East (CAGE 11447); Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (CAGE 02734); Freed Transformer Co (CAGE 73386); Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (CAGE 04620) |
| Parameter | Value |
|---|---|
| NSN | 5950-00-400-5464 |
| Primary Part Number | XT13111 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 43899 | Coast/advanced Chip Magnetics, Inc. (USA) |
| 8551499-1 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| XT13111 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA) |
| C12093 | Freed Transformer Co (USA) |
| 8551497 | Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 8551499-1 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
NSN 5950-00-400-5464 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-400-5464 has 5 manufacturer part numbers on file: 43899 (Coast/advanced Chip Magnetics, Inc.), 8551499-1 (L3 Technologies, Inc. Div Communication Systems-East), XT13111 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), C12093 (Freed Transformer Co), 8551497 (Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc).
4 possible matches (shared part number, not a government interchangeability claim): 3010-01-226-2786, 6680-01-260-3994, 5977-01-266-5830. Verify interchangeability with system specifications before substitution.
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 5950-00-400-5464 has DEMIL Code Q. 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.