The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-694-3564, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Heating Element,electrical,nonim |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Chromalox Inc (CAGE 07131); Parker-Hannifin Corp Div Filtration and Energy Solutions (CAGE 1T3E2) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-694-3564 |
| Primary Part Number | HSRM20-1 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc |
| 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 |
|---|---|
| HSRM20-1 PRIMARY | Chromalox Inc (USA) |
| GFB236 | Parker-Hannifin Corp Div Filtration and Energy Solutions (USA) |
| Reference | Meaning |
|---|---|
| 1250095-02-201 ITEM 17 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corp Div Filtration and Energy Solutions |
NSN 4520-01-694-3564 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-694-3564 has 2 manufacturer part numbers on file: HSRM20-1 (Chromalox Inc), GFB236 (Parker-Hannifin Corp Div Filtration and Energy Solutions).
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.