The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-322-2674, 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 Siliconix Incorporated Div Siliconix. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Fairchild Semiconductor Corp (CAGE 07263); British Sarozal Ltd (CAGE K0577); Siliconix Incorporated Div Siliconix (CAGE 17856); Vishay (CAGE K0004); Rolls-Royce Controls and Data Services Limited (CAGE U4271) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-322-2674 |
| Primary Part Number | BZX79C27 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Siliconix Incorporated Div Siliconix |
| Status | ACTIVE |
| 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 |
|---|---|
| BZX79C27 | Fairchild Semiconductor Corp (USA) |
| BZX79C27 | British Sarozal Ltd (GBR) |
| BZX79C27 PRIMARY | Siliconix Incorporated Div Siliconix (USA) |
| BZX79C27 | Vishay (GBR) |
| 1909-25 | Rolls-Royce Controls and Data Services Limited (GBR) |
| Reference | Meaning |
|---|---|
| 11637-53 | C/1 Advisory reference — outside the item-of-supply concept Avo Intl |
| 1909-25 | 5/9 Secondary reference Rolls-Royce Controls and Data Services Limited |
| 1909-25 | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| ZP-D 27 | 5/9 Secondary reference Itt Semiconductors a Division of International Telephone and Telegraph Corp |
NSN 5961-01-322-2674 is a Semiconductor Device,diode, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-322-2674 has 5 manufacturer part numbers on file: BZX79C27 (Fairchild Semiconductor Corp), BZX79C27 (British Sarozal Ltd), BZX79C27 (Siliconix Incorporated Div Siliconix), BZX79C27 (Vishay), 1909-25 (Rolls-Royce Controls and Data Services Limited).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-322-5934, 5961-01-497-9546. Verify interchangeability with system specifications before substitution.
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.