The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-221-3514, 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 Kalmar AC Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4520-01-221-3514 |
| Primary Part Number | 74008531-1 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Kalmar AC 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 |
|---|---|
| 74008531-1 PRIMARY | Kalmar AC Inc (USA) |
NSN 4520-01-221-3514 is a Heating Element,electrical,nonim, manufactured by Kalmar AC Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-221-3514 has 1 manufacturer part number on file: 74008531-1 (Kalmar AC Inc).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-227-4624. Verify interchangeability with system specifications before substitution.
Key specifications for 74008531-1: End Item Identification: U/O DEUTZ DIESEL ENGINE. 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.