The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-238-6752, 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 Micro Uspd Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-238-6752 |
| Primary Part Number | USD-4038 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro Uspd Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 36.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS |
| Material | SILICON SEMICONDUCTOR |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | H |
| Part Number | Manufacturer |
|---|---|
| USD-4038 PRIMARY | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| 1N6391 | 5/9 Secondary reference U.S. Government activity |
| 13-1345245-1 | 5/9 Secondary reference Gte Government Systems Corp Strategic Systems Div |
NSN 5961-01-238-6752 is a Semiconductor Device,diode, manufactured by Micro Uspd Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-238-6752 has 1 manufacturer part number on file: USD-4038 (Micro Uspd Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-599-9102. Verify interchangeability with system specifications before substitution.
Key specifications for USD-4038: Voltage Rating in Volts Per Characteristic: 36.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS; Special Features: NUCLEAR HARDNESS CRITICAL ITEM; End Item Identification: MESSAGE PRO AUX STOR; Material: SILICON SEMICONDUCTOR. 3 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 5961-01-238-6752 has DEMIL Code Q. 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.