The Transistor, cataloged under National Stock Number 5961-00-855-3746, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-855-3746 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | -60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 100.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | GERMANIUM |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.875 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Specification/standard Data | 81349-MIL-S-19500/137 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.). |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| JAN2N1043 | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-19500/137 | 4/1 Identification reference U.S. Government activity |
NSN 5961-00-855-3746 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5961-00-877-7663. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-00-855-3746: Voltage Rating in Volts Per Characteristic: -60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 15 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.