The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-070-1386, 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 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-070-1386 |
| Primary Part Number | 52C3847-1 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| FSC Application Data | HEATING EQUIPMENT |
| Voltage in Volts and Current Type | 220.0 AC SINGLE VOLTAGE |
| Maximum Wattage Rating in Watts | 630.0 SINGLE VOLTAGE |
| 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 |
|---|---|
| 393-500193-001 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 52C3847-1 PRIMARY | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
NSN 4520-01-070-1386 is a Heating Element,electrical,immer, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-070-1386 has 2 manufacturer part numbers on file: 393-500193-001 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 52C3847-1 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Key specifications for 52C3847-1: FSC Application Data: HEATING EQUIPMENT; Voltage in Volts and Current Type: 220.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 630.0 SINGLE VOLTAGE; Special Features: EFFECTIVE HEATING LENGTH 159.0 IN0.375 IN. INSIDE BEND RADIUS, STAINLESS STEEL TYPE 321 OR INCOLOY TYPE 800; 0.438 IN. DIA. BY 82.375 IN. LG. IN. 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.