The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-174-0496, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-174-0496 |
| Primary Part Number | ES688154-5-6-7 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 110.0 DC SINGLE VOLTAGE |
| Maximum Wattage Rating in Watts | 24.0 SINGLE VOLTAGE |
| Element Connection Style | TERMINAL LUG |
| Mounting Method Style | TERMINAL MOUNTED |
| Heat Quantity | 1 |
| Width | 2.000 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Element Quantity | 1 |
| 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 |
|---|---|
| ES688154-5-6-7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| ES688154-5-6-7 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| ES688154-5-6-7 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 4520-00-174-0496 is a Heating Element,electrical,nonim, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-174-0496 has 2 manufacturer part numbers on file: ES688154-5-6-7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), ES688154-5-6-7 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for ES688154-5-6-7: Voltage in Volts and Current Type: 110.0 DC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 24.0 SINGLE VOLTAGE; Element Connection Style: TERMINAL LUG; Overall Length: 5.625 INCHES NOMINAL IN. 8 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.