The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-251-7564, 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 Gow-Mac Instrument Co Div Gow-Mac Instrument Company. Government technical data includes 3 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. 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 | 4520-01-251-7564 |
| Primary Part Number | 124-155 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Gow-Mac Instrument Co Div Gow-Mac Instrument Company |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 240.0 AC SINGLE VOLTAGE |
| Maximum Wattage Rating in Watts | 100.0 SINGLE VOLTAGE |
| Material | STEEL SHEATH |
| 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 |
|---|---|
| 124-155 PRIMARY | Gow-Mac Instrument Co Div Gow-Mac Instrument Company (USA) |
NSN 4520-01-251-7564 is a Heating Element,electrical,nonim, manufactured by Gow-Mac Instrument Co Div Gow-Mac Instrument Company, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-251-7564 has 1 manufacturer part number on file: 124-155 (Gow-Mac Instrument Co Div Gow-Mac Instrument Company).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-561-5757. Verify interchangeability with system specifications before substitution.
Key specifications for 124-155: Voltage in Volts and Current Type: 240.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 100.0 SINGLE VOLTAGE; Material: STEEL SHEATH. 3 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.