The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-150-0240, 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 Raytheon Company Dba Raytheon Co. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Raytheon Company (CAGE 54X10); L-3 Communications Corporation Dba Global Network Solutions Div Aydin Communications Division (CAGE 20747); Raytheon Company Dba Raytheon Co (CAGE 3B150) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-150-0240 |
| Primary Part Number | CK2121 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| CK2121 | Raytheon Company (USA) |
| 139-508-001 | L-3 Communications Corporation Dba Global Network Solutions Div Aydin Communications Division (USA) |
| CK2121 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| CK2121 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5961-01-150-0240 is a Semiconductor Device,diode, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-150-0240 has 3 manufacturer part numbers on file: CK2121 (Raytheon Company), 139-508-001 (L-3 Communications Corporation Dba Global Network Solutions Div Aydin Communications Division), CK2121 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 6140-01-426-0693. 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.