The Test Set,underwater Mine, cataloged under National Stock Number 4923-01-249-1814, is classified within Federal Supply Class 4923 (Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4923-01-249-1814 |
| Primary Part Number | 5479437 |
| Item Name | Test Set,underwater Mine |
| FSC / FSG | 4923 / 49 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Model Number | MK649MOD0 |
| Unpackaged Unit Length | 14.500 INCHES NOMINAL IN |
| Reference Data and Literature | SW550-AB-MMI-060 |
| Portability Method | HINGED EXTERNAL HANDLES |
| Security Classification | UNCLASSIFIED |
| Unpackaged Unit Width | 9.380 INCHES NOMINAL IN |
| Unpackaged Unit Height | 14.000 INCHES NOMINAL IN |
| Cubic Measure | 1.10 CUBIC FEET |
| Special Markings | TEST SET,MINE SYSTEM EX 649 MOD 0AND DELICATE INSTRUMENT HANDLE WITH CARE |
| Usage Design | MINE MK 65 |
| Type/model Designation | MK649MOD0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5479437 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4923-01-249-1814 is a Test Set,underwater Mine, manufactured by Naval Sea Systems Command, classified under FSC 4923, Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4923-01-249-1814 has 1 manufacturer part number on file: 5479437 (Naval Sea Systems Command).
Key specifications for 5479437: Model Number: MK649MOD0; Unpackaged Unit Length: 14.500 INCHES NOMINAL IN; Reference Data and Literature: SW550-AB-MMI-060; Portability Method: HINGED EXTERNAL HANDLES. 11 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 4923-01-249-1814 has DEMIL Code Q. 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.