The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-386-4552, 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 In Mar Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-386-4552 |
| Primary Part Number | IM-0426-466-002 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | In Mar Systems 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 |
|---|---|
| IM-0426-466-002 PRIMARY | In Mar Systems Inc (USA) |
| IM-0426-466-002 | B. Hepworth & Co Ltd (GBR) |
| Reference | Meaning |
|---|---|
| IM-0426-1588-001 | D/9 Drawing number reference only In Mar Systems Inc |
| IM-0426-466-002 | 5/9 Secondary reference Wynn Marine Ltd |
NSN 4520-01-386-4552 is a Heating Element,electrical,nonim, manufactured by In Mar Systems Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-386-4552 has 2 manufacturer part numbers on file: IM-0426-466-002 (In Mar Systems Inc), IM-0426-466-002 (B. Hepworth & Co Ltd).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-387-0323. Verify interchangeability with system specifications before substitution.
Key specifications for IM-0426-466-002: Special Features: DE-ICING HEATER; End Item Identification: TAGS PROJECT. 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.