The Cartridge,heater, cataloged under National Stock Number 4520-01-463-4374, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Cartridge,heater |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Gea Refrigeration North America, Inc. Dba Gea Fes System (CAGE 0DXZ3); Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (CAGE 65586) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-463-4374 |
| Primary Part Number | CSIR-5071 |
| Item Name | Cartridge,heater |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| 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 |
|---|---|
| 042-302730-001 | Gea Refrigeration North America, Inc. Dba Gea Fes System (USA) |
| CSIR-5071 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| CSIR-5071 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4520-01-463-4374 is a Cartridge,heater, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-463-4374 has 2 manufacturer part numbers on file: 042-302730-001 (Gea Refrigeration North America, Inc. Dba Gea Fes System), CSIR-5071 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
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.