The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-138-1910, 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 Hatco Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (CAGE 65586); Hatco Corp (CAGE 20087) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-138-1910 |
| Primary Part Number | HC1-314 ITEM 1 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hatco Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 155-049525-038 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| HC1-314 ITEM 1 PRIMARY | Hatco Corp (USA) |
| Reference | Meaning |
|---|---|
| HC1-314 | D/9 Drawing number reference only Hatco Corp |
| TSFS2353-440V | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-01-138-1910 is a Heating Element,electrical,immer, manufactured by Hatco Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-138-1910 has 2 manufacturer part numbers on file: 155-049525-038 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), HC1-314 ITEM 1 (Hatco Corp).
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.