The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-237-2642, 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 Siemens Corp. Government technical data includes 7 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-237-2642 |
| Primary Part Number | BB109 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Siemens Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 30.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Terminal Length | 0.098 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5961-00-237-2642 is a Semiconductor Device,diode, manufactured by Siemens Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-237-2642 has 2 manufacturer part numbers on file: BB109 (Siemens Corp), 15780-2 (Drs Signal Solutions, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-062-4972, 5805-01-623-0004. Verify interchangeability with system specifications before substitution.
Key specifications for BB109: Overall Height: 0.095 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM REVERSE VOLTAGE, PEAK; Terminal Length: 0.098 INCHES NOMINAL IN; Mounting Method: TERMINAL. 7 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.