The Radar Set Subassembly, cataloged under National Stock Number 5840-01-375-2109, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Northrop Grumman Support Services Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-375-2109 |
| Primary Part Number | 3D59891H01 |
| Item Name | Radar Set Subassembly |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3D59891H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 3D59891H01 | 3/9 Design control — primary reference U.S. Government activity |
| 435-27590 | 5/9 Secondary reference U.S. Government activity |
NSN 5840-01-375-2109 is a Radar Set Subassembly, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-375-2109 has 1 manufacturer part number on file: 3D59891H01 (Northrop Grumman Support Services Corp).
Key specifications for 3D59891H01: Criticality Code Justification: FEAT; Special Features: ELECTROSTATIC DISCHARGE SENSITIVE; End Item Identification: AN/TPS-43E ULSA. 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 5840-01-375-2109 has DEMIL Code D. 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.