The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-360-8759, 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 Freescale Semiconductor, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-360-8759 |
| Primary Part Number | 1N5520B |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Freescale Semiconductor, Inc. |
| Status | ACTIVE |
| Function for Which Designed | ZENER DIODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1N5520B | Freescale Semiconductor, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MZ5520B | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
NSN 5961-01-360-8759 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-360-8759 has 1 manufacturer part number on file: 1N5520B (Freescale Semiconductor, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-378-3659. Verify interchangeability with system specifications before substitution.
Key specifications for 1N5520B: Function for Which Designed: ZENER DIODE. 1 specification is 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 5961-01-360-8759 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.