The Heater,fluid,electric, cataloged under National Stock Number 4520-01-556-9405, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-556-9405 |
| Item Name | Heater,fluid,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Pressure Rating | ERR-060 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 160K0124 REV XB | D/9 Drawing number reference only U.S. Government activity |
| 160K0124-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4520-01-556-9405 is a Heater,fluid,electric, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-556-9405: Pressure Rating: ERR-060; Special Features: HEATER IS RATED AT 58.5KW;POWER SUPPLY TO THIS HEATER IS 440V, 3PH, 60HZ;OUTLET BOX IS LIQUID PROOF;INTERNALLY HEATED BY A MICA STRIP HEATER;HEATER ELEMENTS ARE HERMETICALLY SEALED V; Part Name Assigned by Controlling Agency: (INAVY)HEATER ASSY;(DRAWING)HEATER ASSEMBLY(160K0124); End Item Identification: HEATER ASSY 160K0124-1. 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 4520-01-556-9405 has DEMIL Code B. 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.