The Radar Set Subassembly, cataloged under National Stock Number 5840-01-526-6420, 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 E W Defense Systems Inc Dba E W Systems. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-526-6420 |
| Primary Part Number | EWS-TNT-1A |
| Item Name | Radar Set Subassembly |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | E W Defense Systems Inc Dba E W Systems |
| Status | ACTIVE |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| 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 |
|---|---|
| EWS-TNT-1A PRIMARY | E W Defense Systems Inc Dba E W Systems (USA) |
| Reference | Meaning |
|---|---|
| EWS-TNT | 5/9 Secondary reference E W Defense Systems Inc Dba E W Systems |
NSN 5840-01-526-6420 is a Radar Set Subassembly, manufactured by E W Defense Systems Inc Dba E W Systems, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-526-6420 has 1 manufacturer part number on file: EWS-TNT-1A (E W Defense Systems Inc Dba E W Systems).
Key specifications for EWS-TNT-1A: Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE; Part Name Assigned by Controlling Agency: WORKSTATION; End Item Identification: AN/MSR-T4. 2 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 5840-01-526-6420 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.