The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-545-7656, 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 Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4520-01-545-7656 |
| Primary Part Number | W79 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Unpackaged Unit Width | 1.470 INCHES NOMINAL IN |
| Unpackaged Unit Height | 1.310 INCHES NOMINAL IN |
| 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 |
|---|---|
| W79 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| EAS81366-8 | 5/9 Secondary reference U.S. Government activity |
| EAS81366-8 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
NSN 4520-01-545-7656 is a Heating Element,electrical,nonim, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-545-7656 has 1 manufacturer part number on file: W79 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for W79: Unpackaged Unit Width: 1.470 INCHES NOMINAL IN; Unpackaged Unit Height: 1.310 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: ELEMENT, HEATER. 2 specifications are 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.
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.