The Transformer Assembly, cataloged under National Stock Number 5950-00-726-8852, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-726-8852 |
| Primary Part Number | 666093-921 |
| Item Name | Transformer Assembly |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Stromberg-Carlson Corp a Plessey Telecommunications Co |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | TAB SINGLE GROUP |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| 666093-921 | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
| SMC502421 | Raytheon Company (USA) |
| SMD502421 | Raytheon Company (USA) |
| A6720 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 666093-921 | 5/9 Secondary reference Radionics Technologies Inc |
| SMD502421 | 5/2 Secondary reference U.S. Government activity |
| SM-D502421 | 5/9 Secondary reference Autodyne Manufacturing Co Inc |
| SMC502421 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-726-8852 is a Transformer Assembly, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-726-8852 has 4 manufacturer part numbers on file: 666093-921 (Stromberg-Carlson Corp a Plessey Telecommunications Co), SMC502421 (Raytheon Company), SMD502421 (Raytheon Company), A6720 (Autodyne Manufacturing Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 3510-01-009-9653. Verify interchangeability with system specifications before substitution.
Key specifications for 666093-921: Overall Height: 1.000 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Mounting Method: TAB SINGLE GROUP; Overall Length: 1.350 INCHES NOMINAL IN. 3 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.