The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-301-8474, 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 Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-301-8474 |
| Primary Part Number | B1529603 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc |
| Status | ACTIVE |
| Maximum Wattage Rating in Watts | 3300.0 SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| 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 |
|---|---|
| B1529603 PRIMARY | Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc (USA) |
| 15296-02 | Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 9-0604 PIECE 21 3300W | 5/9 Secondary reference Colmac Industries, Inc |
| B15260-3 | C/1 Advisory reference — outside the item-of-supply concept Colmac Industries, Inc |
NSN 4520-01-301-8474 is a Heating Element,electrical,nonim, manufactured by Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-301-8474 has 2 manufacturer part numbers on file: B1529603 (Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc), 15296-02 (Colmac Coil Manufacturing, Inc. Dba Colmac Coil Manufacturing Inc).
Key specifications for B1529603: Maximum Wattage Rating in Watts: 3300.0 SINGLE VOLTAGE; Element Radiation Spectrum: NONINFRARED. 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.