The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-331-5988, 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 Raytheon Company. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-331-5988 |
| Primary Part Number | 646259-1 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 270.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 270.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 225.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE225.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR175.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.055 INCHES MINIMUM AND 0.055 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES MINIMUM AND 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM1.500 INCHES MAXIMUM IN |
| Mounting Method | TERMINALTERMINAL |
| Features Provided | HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 400.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE400.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Function for Which Designed | RECTIFIERRECTIFIER |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 646259-1 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| JANTX1N645-1 | 5/1 Secondary reference U.S. Government activity |
| JANTX1N4454-1 | 5/1 Secondary reference U.S. Government activity |
NSN 5961-01-331-5988 is a Semiconductor Device,diode, manufactured by Raytheon Company, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-331-5988 has 1 manufacturer part number on file: 646259-1 (Raytheon Company).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-336-5490, 5961-01-341-9621. Verify interchangeability with system specifications before substitution.
Key specifications for 646259-1: Voltage Rating in Volts Per Characteristic: 270.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 270.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 225.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE225.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR175.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.055 INCHES MINIMUM AND 0.055 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM AND 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM1.500 INCHES MAXIMUM IN. 11 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 5961-01-331-5988 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.