The Heater, cataloged under National Stock Number 4520-00-379-4631, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Naval Ship Systems Command. This item has 15 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Heater |
| FSC / FSG | 4520 — No Item Name Available (FSG 45) |
| Manufacturers | Naval Ship Systems Command (CAGE 80064); General Electric Company (CAGE 24446); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169) |
| Parameter | Value |
|---|---|
| NSN | 4520-00-379-4631 |
| Primary Part Number | 340-6504-1002306 |
| Item Name | Heater |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 571-6202-1301776REVAPCLN966 | Naval Ship Systems Command (USA) |
| 340-6504-1002306 PRIMARY | Naval Ship Systems Command (USA) |
| 564-3101-937728L PRIMARY | Naval Ship Systems Command (USA) |
| 564-6202-937929A PRIMARY | Naval Ship Systems Command (USA) |
| 340-6000-1002475 PRIMARY | Naval Ship Systems Command (USA) |
| 2A66 PRIMARY | General Electric Company (USA) |
| 240-6504-1035778 PRIMARY | Naval Ship Systems Command (USA) |
| 319-3101-1183779 PRIMARY | Naval Ship Systems Command (USA) |
| 571-6504-1301651 PRIMARY | Naval Ship Systems Command (USA) |
| 568-6504-1183696 PRIMARY | Naval Ship Systems Command (USA) |
| 3967-19REVDPC26 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 240-6504-1035771 PRIMARY | Naval Ship Systems Command (USA) |
| 319-6202-1183745 PRIMARY | Naval Ship Systems Command (USA) |
| 320-6505-798944P PRIMARY | Naval Ship Systems Command (USA) |
| T1-6504-1286033R PRIMARY | Naval Ship Systems Command (USA) |
NSN 4520-00-379-4631 is a Heater, manufactured by Naval Ship Systems Command, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-00-379-4631 has 15 cross-referenced part numbers: 571-6202-1301776REVAPCLN966 (Naval Ship Systems Command), 340-6504-1002306 (Naval Ship Systems Command), 564-3101-937728L (Naval Ship Systems Command), 564-6202-937929A (Naval Ship Systems Command), 340-6000-1002475 (Naval Ship Systems Command) and 10 more.
There are 4 known substitutes for 4520-00-379-4631: 4720-00-641-4406, 6210-00-801-4892, 6210-00-888-7324 and 1 more. Verify interchangeability with system specifications before substitution.