The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-950-6577, 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 Elettronica Gmbh. Government technical data includes 14 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5961-00-950-6577 |
| Primary Part Number | 521-034-018 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Elettronica Gmbh |
| Status | CANCELLED |
| Voltage Rating in Volts Per Characteristic | 5.1 NOMINAL NOMINAL REGULATOR VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.080 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 49.00 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 178.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION |
| Specification/standard Data | 81349-MIL-PRF-19500/115 GOVERNMENT SPECIFICATION |
| Voltage Tolerance in Percent | -5.0 TO 5.0 |
| Test Data Document | 81349-MIL-PRF-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 |
| Power Rating Per Characteristic | 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 521-034-018 | Elettronica Gmbh (DEU) |
| 521-034-018 | Elettronica Spa (ITA) |
| Reference | Meaning |
|---|---|
| 5961009506577 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 581-170 | C/1 Advisory reference — outside the item-of-supply concept Ampex Data Systems Corp Computer Products Div |
| 5961PL0937063 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| JAN1N3826A | 5/9 Secondary reference U.S. Government activity |
| 68415016106 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| JAN1N3826A-1 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-19500/115 | 4/1 Identification reference U.S. Government activity |
| 4178600-343 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
| KS78606B5-1V | 5/9 Secondary reference Ericsson Information System A/s |
| 78500978 | 5/9 Secondary reference Ericsson Information System A/s |
NSN 5961-00-950-6577 is a Semiconductor Device,diode, manufactured by Elettronica Gmbh, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: cancelled.
NSN 5961-00-950-6577 has 2 manufacturer part numbers on file: 521-034-018 (Elettronica Gmbh), 521-034-018 (Elettronica Spa).
1 possible match (shared part number, not a government interchangeability claim): 2805-01-300-6705. Verify interchangeability with system specifications before substitution.
Key specifications for 521-034-018: Voltage Rating in Volts Per Characteristic: 5.1 NOMINAL NOMINAL REGULATOR VOLTAGE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.080 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM 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.
NSN 5961-00-950-6577 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.