The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-255-8975, 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 Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-255-8975 |
| Primary Part Number | 90001A1946 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 600.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 600.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 1.3 MAXIMUM FORWARD VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.150 INCHES MAXIMUM IN |
| Terminal Length | 1.102 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 20.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 90001A1946 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 1N6622 | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| 3370010P | C/1 Advisory reference — outside the item-of-supply concept Peco II, Inc. |
| FBL00-223 | 3/9 Design control — primary reference U.S. Government activity |
| BYV26C | 5/9 Secondary reference Philips Circuit Assemblies |
NSN 5961-01-255-8975 is a Semiconductor Device,diode, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-255-8975 has 2 manufacturer part numbers on file: 90001A1946 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 1N6622 (Micro Uspd Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-426-3074. Verify interchangeability with system specifications before substitution.
Key specifications for 90001A1946: Voltage Rating in Volts Per Characteristic: 600.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 600.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 1.3 MAXIMUM FORWARD VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.150 INCHES MAXIMUM IN; Terminal Length: 1.102 INCHES MINIMUM IN. 10 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.