The Heater,fluid,electric, cataloged under National Stock Number 4520-01-696-1527, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-696-1527 |
| Primary Part Number | OE630100-000 |
| Item Name | Heater,fluid,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 120.0 AC |
| 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 |
|---|---|
| OE630100-000 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| OE630100-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-01-696-1527 is a Heater,fluid,electric, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-696-1527 has 1 manufacturer part number on file: OE630100-000 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for OE630100-000: Voltage in Volts and Current Type: 120.0 AC; Overall Length: 9.70 INCHES NOMINAL IN; Special Features: OIL HEATER MUST HAVE A THERMOSTAT TO PROTECT OIL FROM OVERHEATING AND BE INSTALLED IN SUMP WITH ENTIRE HEATER SUBMERGED.1 INCH NOMINAL NPT THREADS AND 5.250 INCH NOMINAL LENGTH,PROBE DIAMETER IS 1.0 INCH NOMINAL,VOLTS:120,WATTS:300,AMPS:2.6,WATTS SQUARE INCH:21.4,OIL CAPACITY:5-15 GALLONS,HEATER COMES WITH A 18 INCH LONG NOMINAL LEAD WIRE. IN; Part Name Assigned by Controlling Agency: HEATER,FLUID,ELECTRIC. 1 specification is 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.