The Marine Mammal System, cataloged under National Stock Number 1350-01-355-3525, is classified within Federal Supply Class 1350 (Underwater Mine and Components, Inert) of the Ammunition and Explosives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1350-01-355-3525 |
| Primary Part Number | 6375399 |
| Item Name | Marine Mammal System |
| FSC / FSG | 1350 / 13 — Underwater Mine and Components, Inert |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Model Number | MK5 |
| Package Nominal Overall Height and Type | 18.38 INCHES SHIPPING CONTAINER IN |
| Package Nominal Overall Width and Type | 21.75 INCHES SHIPPING CONTAINER IN |
| General Characteristics Item Description | MK5,FOR LAYING DUMMY MINE MK55,C/O SONAR TRANSMITTER 9KHZ,SONAR TRANSMITTER HOLDER,RING/TAIL COVER FOR MINE MK55,MISC HARDWARE,ITEM IS 12.130 IN. LG.,17.853 IN. DIA. KHz |
| Package Nominal Overall Length and Type | 21.75 INCHES SHIPPING CONTAINER IN |
| Unable to Decode | UNABLE TO DECODE |
| Package Reference Number | 6375216,WOOD BOX |
| Gross Weight | 100.0 SHIPPING CONTAINER POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 6375399 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SW550-AE-MMI-020 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| SW550-AE-MMI-050 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| SW550-AE-MMI-010 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| MK5 | 6/9 Informative reference only U.S. Government activity |
| 6375216 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 1350-01-355-3525 is a Marine Mammal System, manufactured by Naval Sea Systems Command, classified under FSC 1350, Underwater Mine and Components, Inert. Status: active.
NSN 1350-01-355-3525 has 1 manufacturer part number on file: 6375399 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 1350-01-355-3526, 6320-01-358-8069. Verify interchangeability with system specifications before substitution.
Key specifications for 6375399: Model Number: MK5; Package Nominal Overall Height and Type: 18.38 INCHES SHIPPING CONTAINER IN; Package Nominal Overall Width and Type: 21.75 INCHES SHIPPING CONTAINER IN; General Characteristics Item Description: MK5,FOR LAYING DUMMY MINE MK55,C/O SONAR TRANSMITTER 9KHZ,SONAR TRANSMITTER HOLDER,RING/TAIL COVER FOR MINE MK55,MISC HARDWARE,ITEM IS 12.130 IN. LG.,17.853 IN. DIA. KHz. 8 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 1350-01-355-3525 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.