The Transistor, cataloged under National Stock Number 5961-00-943-9178, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-943-9178 |
| Primary Part Number | 900552-17 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Overall Diameter | 0.230 INCHES MAXIMUM IN |
| Internal Junction Configuration | NPN |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| 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 |
|---|---|
| 900552-17 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| SM4753 | Texas Instruments Incorporated (USA) |
| Reference | Meaning |
|---|---|
| SM3544 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| S17151 | 5/9 Secondary reference Fairchild Semiconductor Corp |
NSN 5961-00-943-9178 is a Transistor, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-943-9178 has 2 manufacturer part numbers on file: 900552-17 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), SM4753 (Texas Instruments Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-024-8089. Verify interchangeability with system specifications before substitution.
Key specifications for 900552-17: Overall Diameter: 0.230 INCHES MAXIMUM IN; Internal Junction Configuration: NPN; Semiconductor Material: SILICON; Internal Configuration: JUNCTION CONTACT. 7 specifications are documented in the U.S. Government catalog.
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.