The Heater,overload, cataloged under National Stock Number 4520-01-455-2250, 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 Siemens Energy and Automation Inc Ite Circuit Protection Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Heater,overload |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Siemens Energy and Automation Inc Ite Circuit Protection Div (CAGE 66842) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-455-2250 |
| Primary Part Number | FH-26 |
| Item Name | Heater,overload |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Siemens Energy and Automation Inc Ite Circuit Protection Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| FH-26 PRIMARY | Siemens Energy and Automation Inc Ite Circuit Protection Div (USA) |
NSN 4520-01-455-2250 is a Heater,overload, manufactured by Siemens Energy and Automation Inc Ite Circuit Protection Div, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-455-2250 has 1 manufacturer part number on file: FH-26 (Siemens Energy and Automation Inc Ite Circuit Protection Div).
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.