The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-582-6526, 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 W. W. Grainger, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-582-6526 |
| Primary Part Number | 45RK53 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | W. W. Grainger, 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 |
|---|---|
| 45RK53 | W. W. Grainger, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3580K64 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| W51-24P | 3/9 Design control — primary reference Raychem Corp |
| 4E531 | 5/9 Secondary reference W. W. Grainger, Inc. |
| 3580K28 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 4E531 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4520-01-582-6526 is a Heating Element,electrical,immer, manufactured by W. W. Grainger, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-582-6526 has 1 manufacturer part number on file: 45RK53 (W. W. Grainger, Inc.).
Key specifications for 45RK53: Part Name Assigned by Controlling Agency: ELEMENT HEATING; End Item Identification: 4110-01-534-7675, MIRCS. 0 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.