The Switch Assembly,fiber Optic, cataloged under National Stock Number 6021-01-459-9306, is classified within Federal Supply Class 6021 (Fiber Optic Switches) of the Fiber Optics Materials, Components, Assemblies, and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6021-01-459-9306 |
| Primary Part Number | 407026-104 |
| Item Name | Switch Assembly,fiber Optic |
| FSC / FSG | 6021 / 60 — Fiber Optic Switches |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 407026-104 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 407026-104 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
| 407026-104 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Div Navagation and Maritime Systems Division |
NSN 6021-01-459-9306 is a Switch Assembly,fiber Optic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 6021, Fiber Optic Switches. Status: active.
NSN 6021-01-459-9306 has 1 manufacturer part number on file: 407026-104 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 407026-104: End Item Identification: AN/SSQ-91(V)4 CAGE 03950. 0 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 6021-01-459-9306 has DEMIL Code B. 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.