The Communications Security Module, cataloged under National Stock Number 5810-01-691-2133, 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 Ldia Holdings, Llc Dba Prometheus Security Group Global. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Communications Security Module |
| FSC / FSG | 5810 — Communications Security Equipment and Components (FSG 58) |
| Manufacturers | Ldia Holdings, Llc Dba Prometheus Security Group Global (CAGE 7TDW3) |
| Parameter | Value |
|---|---|
| NSN | 5810-01-691-2133 |
| Primary Part Number | 15-00030-000 |
| Item Name | Communications Security Module |
| FSC / FSG | 5810 / 58 — Communications Security Equipment and Components |
| Manufacturer | Ldia Holdings, Llc Dba Prometheus Security Group Global |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 15-00030-000 PRIMARY | Ldia Holdings, Llc Dba Prometheus Security Group Global (USA) |
| Reference | Meaning |
|---|---|
| 20162556 | D/9 Drawing number reference only Valkyrie Enterprises, Llc |
| 8031001-7.288 | 5/9 Secondary reference Linx Defense, Llc Div Linx Defense |
NSN 5810-01-691-2133 is a Communications Security Module, manufactured by Ldia Holdings, Llc Dba Prometheus Security Group Global, classified under FSC 5810, Communications Security Equipment and Components. Status: active.
NSN 5810-01-691-2133 has 1 manufacturer part number on file: 15-00030-000 (Ldia Holdings, Llc Dba Prometheus Security Group Global).
1 possible match (shared part number, not a government interchangeability claim): 5810-01-691-2134. 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 5810-01-691-2133 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.