The Transistor, cataloged under National Stock Number 5961-00-808-8398, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raytheon Systems Ltd (weapons Support Group). Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5961-00-808-8398 |
| Primary Part Number | 2N491 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Raytheon Systems Ltd (weapons Support Group) |
| Status | CANCELLED |
| Semiconductor Material | SILICON |
| Internal Junction Configuration | PN |
| Mounting Method | TERMINAL |
| 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.). |
| Power Rating Per Characteristic | 600.00 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Internal Configuration | UNIJUNCTION |
| Overall Diameter | 0.359 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-S-19500/75 GOVERNMENT SPECIFICATION |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Voltage Rating in Volts Per Characteristic | 60.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| Current Rating Per Characteristic | 70.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2N491 | Raytheon Systems Ltd (weapons Support Group) (GBR) |
| 2N491 | Raytheon Systems Ltd (GBR) |
| 007238 | Leonardo Germany Gmbh (DEU) |
| MILT19500-175 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 352-9031-000 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| 2N491 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CV5635 | Ministry of Defence (procurement Executive) (GBR) |
| 6L.5522.501.00-007238 | Leonardo Germany Gmbh (DEU) |
| 4192800-45 | Raytheon Company Div Rmd Strategic (USA) |
| 4192800-045 | Raytheon Company Div Rmd Strategic (USA) |
NSN 5961-00-808-8398 is a Transistor, manufactured by Raytheon Systems Ltd (weapons Support Group), classified under FSC 5961 (No Item Name Available). Status: cancelled.
NSN 5961-00-808-8398 has 10 cross-referenced part numbers: 2N491 (Raytheon Systems Ltd (weapons Support Group)), 2N491 (Raytheon Systems Ltd), 007238 (Leonardo Germany Gmbh), MILT19500-175 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 352-9031-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems) and 5 more.
There are 5 known substitutes for 5961-00-808-8398: 5961-00-416-9681, 5961-00-617-3873, 5961-00-926-2569 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2N491: Semiconductor Material: SILICON; Internal Junction Configuration: PN; Mounting Method: TERMINAL; 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.).. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5961-00-808-8398 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.