The Transistor, cataloged under National Stock Number 5961-00-078-9593, 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 Solitron Devices, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5961-00-078-9593 |
| Primary Part Number | 2N539 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solitron Devices, Inc. |
| Status | ACTIVE |
| Internal Junction Configuration | PNP |
| Semiconductor Material | GERMANIUM |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2N539 PRIMARY | Solitron Devices, Inc. (USA) |
NSN 5961-00-078-9593 is a Transistor, manufactured by Solitron Devices, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-078-9593 has 1 manufacturer part number on file: 2N539 (Solitron Devices, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-809-0504. Verify interchangeability with system specifications before substitution.
Key specifications for 2N539: Internal Junction Configuration: PNP; Semiconductor Material: GERMANIUM; Internal Configuration: JUNCTION CONTACT; Features Provided: HERMETICALLY SEALED CASE. 5 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.
NSN 5961-00-078-9593 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.