The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-043-1084, 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 Leonardo Germany Gmbh. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-043-1084 |
| Primary Part Number | 260339 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Leonardo Germany Gmbh |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 28.5 MAXIMUM NOMINAL REGULATOR VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 5.00 MICROAMPERES MAXIMUM REVERSE CURRENT, PEAK |
| Specification/standard Data | 81349-MIL-S-19500/500 GOVERNMENT SPECIFICATION |
| Test Data Document | 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | CATHODE |
| Power Rating Per Characteristic | 1.0 WATTS MAXIMUM REVERSE POWER DISSIPATION, DC |
| 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 |
|---|---|
| 260339 | Leonardo Germany Gmbh (DEU) |
| 44397 28131 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| 1N5644A | Texas Instruments Deutschland Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 1N5644A | 5/1 Secondary reference General Semiconductor Inc |
| MILS19500-500 | 4/1 Identification reference U.S. Government activity |
| JAN1N5644A | 2/2 Government specification standardization U.S. Government activity |
NSN 5961-01-043-1084 is a Semiconductor Device,diode, manufactured by Leonardo Germany Gmbh, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-043-1084 has 3 manufacturer part numbers on file: 260339 (Leonardo Germany Gmbh), 44397 28131 (Thales Deutschland Gmbh Div Customer Services), 1N5644A (Texas Instruments Deutschland Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-059-0439. Verify interchangeability with system specifications before substitution.
Key specifications for 260339: Voltage Rating in Volts Per Characteristic: 28.5 MAXIMUM NOMINAL REGULATOR VOLTAGE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN. 14 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.