The Intercommunication Station, cataloged under National Stock Number 5831-01-497-8798, is classified within Federal Supply Class 5831 (Intercommunication and Public Address Systems, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Modular Devices Inc Dba Modular Devices Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5831-01-497-8798 |
| Primary Part Number | 1644 |
| Item Name | Intercommunication Station |
| FSC / FSG | 5831 / 58 — Intercommunication and Public Address Systems, Airborne |
| Manufacturer | Modular Devices Inc Dba Modular Devices Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1644 PRIMARY | Modular Devices Inc Dba Modular Devices Inc (USA) |
| Reference | Meaning |
|---|---|
| M1644 | 5/9 Secondary reference Modular Devices Inc Dba Modular Devices Inc |
NSN 5831-01-497-8798 is a Intercommunication Station, manufactured by Modular Devices Inc Dba Modular Devices Inc, classified under FSC 5831, Intercommunication and Public Address Systems, Airborne. Status: active.
NSN 5831-01-497-8798 has 1 manufacturer part number on file: 1644 (Modular Devices Inc Dba Modular Devices Inc).
Key specifications for 1644: Special Features: CONTAINS MICROPHONE AMPLIFIER AND HEADSET AMPLIFIER; DIMENSIONS, 5.125 IN. X 3.625 IN. X 4.625 IN. IN; End Item Identification: AIC-25 AIRCRAFT INTERCOMMUNICATION SYSTEM. 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 5831-01-497-8798 has DEMIL Code C. 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.