The Communications Security Module, cataloged under National Stock Number 5810-01-603-0997, is classified within Federal Supply Class 5810 (Communications Security Equipment and Components) of the Communication, Detection, and Coherent Radiation Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5810-01-603-0997 |
| Item Name | Communications Security Module |
| FSC / FSG | 5810 / 58 — Communications Security Equipment and Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SY-100 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5810-01-603-0997 is a Communications Security Module, classified under FSC 5810, Communications Security Equipment and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5810-01-641-4234. Verify interchangeability with system specifications before substitution.
Key specifications for 5810-01-603-0997: Special Features: ENCRYPTS VOICE AND DATA TO SUPPLY SECURE-TRANSMISSION; Part Name Assigned by Controlling Agency: CRYPTO; End Item Identification: E110 COMMUNICATION CABINET. 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 5810-01-603-0997 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.