The Lower Tank Module, cataloged under National Stock Number 5840-00-495-2103, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Lower Tank Module |
| FSC / FSG | 5840 — Radar Equipment, Except Airborne (FSG 58) |
| Parameter | Value |
|---|---|
| NSN | 5840-00-495-2103 |
| Item Name | Lower Tank Module |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 1882336 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 37788 | 3/9 Design control — primary reference U.S. Government activity |
| 37788 | C/1 Advisory reference — outside the item-of-supply concept Espey Mfg and Electronics Corp |
NSN 5840-00-495-2103 is a Lower Tank Module, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1660-00-911-8311. 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.
NSN 5840-00-495-2103 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.