The Transistor, cataloged under National Stock Number 5961-01-649-6903, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ems Development Corporation. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | Transistor |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Ems Development Corporation (CAGE 51435) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-649-6903 |
| Primary Part Number | 401D8204-1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Ems Development Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 401D1063-10 ITEM NO. 11 | Ems Development Corporation (USA) |
| 401D8204-1 PRIMARY | Ems Development Corporation (USA) |
| Reference | Meaning |
|---|---|
| 401D1063-10 | D/9 Drawing number reference only Ems Development Corporation |
NSN 5961-01-649-6903 is a Transistor, manufactured by Ems Development Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-649-6903 has 2 manufacturer part numbers on file: 401D1063-10 ITEM NO. 11 (Ems Development Corporation), 401D8204-1 (Ems Development Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 5998-01-649-9345, 5998-01-649-9354, 5998-01-649-9364. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.