The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-153-4558, 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 Semitronics Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-153-4558 |
| Primary Part Number | 1N2131A |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Semitronics Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 200.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | DO-5 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Current Rating Per Characteristic | 60.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 THREADED STUD |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 1N2131A | Semitronics Corp (USA) |
| 1N2131A | Pd&e Electronics, Llc (USA) |
| 1N2131A | New Jersey Semi-Conductor Products, Inc. (USA) |
| 1N2131A | Solid State Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| RELEASE3138 | 5/9 Secondary reference U.S. Government activity |
| 1N2131A | 5/9 Secondary reference Itt Semiconductors Div |
| 1N2131A | 3/2 Design control — primary reference U.S. Government activity |
| 25H20 | 5/9 Secondary reference U.S. Government activity |
| 1N2131A | 5/9 Secondary reference Semicon Components Inc |
| 1N2131A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1N2131A | 5/9 Secondary reference Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp |
| 404207 | C/1 Advisory reference — outside the item-of-supply concept Cardion Inc |
| 801509-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1N2131A | 5/9 Secondary reference U.S. Government activity |
| 1N2131A | 5/9 Secondary reference Electronic Transistors Corp |
| 118033-1 | C/1 Advisory reference — outside the item-of-supply concept Varo Llc |
NSN 5961-00-153-4558 is a Semiconductor Device,diode, manufactured by Semitronics Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-153-4558 has 4 manufacturer part numbers on file: 1N2131A (Semitronics Corp), 1N2131A (Pd&e Electronics, Llc), 1N2131A (New Jersey Semi-Conductor Products, Inc.), 1N2131A (Solid State Devices, Inc).
9 possible matches (shared part number, not a government interchangeability claim): 5961-00-245-5670, 5961-00-400-6262, 5961-00-400-6263. Verify interchangeability with system specifications before substitution.
Key specifications for 1N2131A: Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-5. 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.