The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-388-0664, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (CAGE 0VP52); Ansaldo Spa (CAGE A0093) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-388-0664 |
| Primary Part Number | 1P593661 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 321105F91 PIECE 4 | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| 152622 ITEM 2 | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| 154799 | Ansaldo Spa (ITA) |
| 1P593661 PRIMARY | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| Reference | Meaning |
|---|---|
| 321105F91 | D/9 Drawing number reference only Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| 152622 | D/9 Drawing number reference only Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| 154799 | 5/9 Secondary reference Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
NSN 4520-01-388-0664 is a Heating Element,electrical,nonim, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-388-0664 has 4 manufacturer part numbers on file: 321105F91 PIECE 4 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), 152622 ITEM 2 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), 154799 (Ansaldo Spa), 1P593661 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.