The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-062-7355, 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 Eci Defense Group, Inc. Dba Eci Defense Group Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-062-7355 |
| Primary Part Number | 6388-17 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Eci Defense Group, Inc. Dba Eci Defense Group Inc |
| Status | ACTIVE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 480.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, PLAIN |
| Maximum Wattage Rating in Watts | 2400.0 SINGLE VOLTAGE |
| Terminal Length | 8.000 INCHES NOMINAL IN |
| Mounting Facility Length | 1.000 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Effective Heating Length | 18.188 INCHES NOMINAL IN |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 1.062 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL COMP 321 SHEATH |
| Thread Series Designator | UN MOUNTING FACILITY |
| Thread Quantity | 12.0 PER INCH MOUNTING FACILITY |
| 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 |
|---|---|
| 6388-17 | Eci Defense Group, Inc. Dba Eci Defense Group Inc (USA) |
| Reference | Meaning |
|---|---|
| 6388-17 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 042-072220-999 | 5/9 Secondary reference Chromalox Inc |
| TA6388-17 | 5/9 Secondary reference Intelliworks Ht |
| TA6388-17 | 5/9 Secondary reference Tamco, Inc. Dba Technical Assistance Company Div Technical Assistance Company |
| 10278-6PC8 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 6388-17 | 3/9 Design control — primary reference Air Dry Co of America, Llc |
| CH750-101 | 5/9 Secondary reference Byge Byte Productions |
| 10278-6 | D/9 Drawing number reference only Air Dry Co of America, Llc |
| 042-072220-097 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| C1471-1 | 5/9 Secondary reference Truheat Inc. |
| 10278-6PC8 | 5/9 Secondary reference Air Dry Co of America, Llc |
NSN 4520-01-062-7355 is a Heating Element,electrical,immer, manufactured by Eci Defense Group, Inc. Dba Eci Defense Group Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-062-7355 has 1 manufacturer part number on file: 6388-17 (Eci Defense Group, Inc. Dba Eci Defense Group Inc).
1 possible match (shared part number, not a government interchangeability claim): 4430-01-275-9205. Verify interchangeability with system specifications before substitution.
Key specifications for 6388-17: Phase: NOT RATED SINGLE VOLTAGE; Terminal Quantity: 2; Voltage in Volts and Current Type: 480.0 AC SINGLE VOLTAGE; Body Style: TUBULAR, PLAIN. 18 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.