The Heater,water,electric, cataloged under National Stock Number 4410-01-642-7330, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4410-01-642-7330 |
| Item Name | Heater,water,electric |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 17769 | 3/1 Design control — primary reference The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Y643-8214ITEM5 | 5/1 Secondary reference U.S. Government activity |
| 532-8484089ITEM5 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4410-01-642-7330 is a Heater,water,electric, classified under FSC 4410, Industrial Boilers. Status: active.
Key specifications for 4410-01-642-7330: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY. 2 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.
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.