The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-398-1024, 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 Fmc Technologies Inc Div Material Handling Solutions. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-398-1024 |
| Primary Part Number | 1N1198R |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Fmc Technologies Inc Div Material Handling Solutions |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 600.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS |
| Maximum Operating Temp Per Measurement Point | 190.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 0.687 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.250 INCHES IN |
| Current Rating Per Characteristic | 20.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | CATHODE |
| Power Rating Per Characteristic | 30.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| 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 |
|---|---|
| 850-72604-50 | Kato Engineering Inc. (USA) |
| 1N1198R PRIMARY | Fmc Technologies Inc Div Material Handling Solutions (USA) |
| Reference | Meaning |
|---|---|
| 1N1198RA | C/1 Advisory reference — outside the item-of-supply concept Lacon Electronic Gmbh |
| 1N1198RA | 5/9 Secondary reference Adelco Elektronik Gmbh |
NSN 5961-00-398-1024 is a Semiconductor Device,diode, manufactured by Fmc Technologies Inc Div Material Handling Solutions, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-398-1024 has 2 manufacturer part numbers on file: 850-72604-50 (Kato Engineering Inc.), 1N1198R (Fmc Technologies Inc Div Material Handling Solutions).
2 possible matches (shared part number, not a government interchangeability claim): 5961-00-465-4242, 5961-00-945-3390. Verify interchangeability with system specifications before substitution.
Key specifications for 1N1198R: Voltage Rating in Volts Per Characteristic: 600.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS; Maximum Operating Temp Per Measurement Point: 190.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Overall Diameter: 0.687 INCHES MAXIMUM IN. 13 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.