The Array Module, cataloged under National Stock Number 5845-01-166-7300, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5845-01-166-7300 |
| Primary Part Number | 1203D0509-2 |
| Item Name | Array Module |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF BULKHEAD,FORWARD 1; HOSE ASSEMBLY (9 FT LG) 1; ELECTRONICS ASSEMBLY 1; PLUG ASSEMBLY 3; CHECK VALVE 2; WEIGHT BALLAST 3; 106.280 IN. LG WHEN NOT PRESSURIZED,106.650 IN. LG WHEN PRESSURIZED; FORWARD BULKHEAD 18.600 IN. LG IN |
| 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 |
|---|---|
| 1203D0509-2 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1203D0509-2 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5845-01-166-7300 is a Array Module, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-166-7300 has 1 manufacturer part number on file: 1203D0509-2 (Lockheed Martin Corporation Div Rms).
Key specifications for 1203D0509-2: General Characteristics Item Description: CONSISTS OF BULKHEAD,FORWARD 1; HOSE ASSEMBLY (9 FT LG) 1; ELECTRONICS ASSEMBLY 1; PLUG ASSEMBLY 3; CHECK VALVE 2; WEIGHT BALLAST 3; 106.280 IN. LG WHEN NOT PRESSURIZED,106.650 IN. LG WHEN PRESSURIZED; FORWARD BULKHEAD 18.600 IN. LG IN. 1 specification is 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 5845-01-166-7300 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.