The Modification Kit,communication,e, cataloged under National Stock Number 5895-01-346-4356, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Undersea Systems International, Inc. Dba Ocean Technology Systems. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5895-01-346-4356 |
| Primary Part Number | CDK-4 |
| Item Name | Modification Kit,communication,e |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Undersea Systems International, Inc. Dba Ocean Technology Systems |
| Status | ACTIVE |
| End Item Source | 14819 |
| Criticality Code Justification | FEAT |
| End Item Name | DIVING EQUIPMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 2.7000 lbs |
| Cube | 2.5242 cu ft |
| Part Number | Manufacturer |
|---|---|
| CDK-4 PRIMARY | Undersea Systems International, Inc. Dba Ocean Technology Systems (USA) |
| Reference | Meaning |
|---|---|
| CDK-4 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
NSN 5895-01-346-4356 is a Modification Kit,communication,e, manufactured by Undersea Systems International, Inc. Dba Ocean Technology Systems, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-346-4356 has 1 manufacturer part number on file: CDK-4 (Undersea Systems International, Inc. Dba Ocean Technology Systems).
Key specifications for CDK-4: End Item Source: 14819; Criticality Code Justification: FEAT; End Item Name: DIVING EQUIPMENT; Special Features: UNDERWATER LIFE SUPPORT IAW NAVSEA INSTRUCTION 10560.2B. 3 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 5895-01-346-4356 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.