The Communications Security Module, cataloged under National Stock Number 5810-01-685-0475, is classified within Federal Supply Class 5810 (Communications Security Equipment and Components) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Leonardo S.p.a. Security & Information System Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5810-01-685-0475 |
| Primary Part Number | 31352-3109-0000 |
| Item Name | Communications Security Module |
| FSC / FSG | 5810 / 58 — Communications Security Equipment and Components |
| Manufacturer | Leonardo S.p.a. Security & Information System Division |
| Status | ACTIVE |
| Component Type and Quantity | 1 NETWORK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 31352-3109-0000 | Leonardo S.p.a. Security & Information System Division (ITA) |
| Reference | Meaning |
|---|---|
| 31352-3109-0000 | 3/9 Design control — primary reference Wiebetech, Llc |
NSN 5810-01-685-0475 is a Communications Security Module, manufactured by Leonardo S.p.a. Security & Information System Division, classified under FSC 5810, Communications Security Equipment and Components. Status: active.
NSN 5810-01-685-0475 has 1 manufacturer part number on file: 31352-3109-0000 (Leonardo S.p.a. Security & Information System Division).
Key specifications for 31352-3109-0000: Overall Height: 1.06 INCHES NOMINAL IN; Component Type and Quantity: 1 NETWORK; Overall Length: 2.95 INCHES NOMINAL IN; Overall Width: 4.33 INCHES NOMINAL IN. 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.
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.