# NSN 4520-01-685-4500: Heating Element, Electrical, Immer

NSN 4520-01-685-4500 (also written 4520016854500; NIIN 01-685-4500) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4520-01-685-4500 (4520016854500)
- NIIN: 01-685-4500 (016854500)
- Item name: HEATING ELEMENT,ELECTRICAL,IMMER
- Federal Supply Class: [FSC 4520 Space and Water Heating Equipment](https://nsnexplorer.com/fsc/4520/)
- Federal Supply Group: [FSG 45](https://nsnexplorer.com/group/45/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| AARA | TERMINAL QUANTITY | 2 |
| ABJS | ELEMENT CONNECTION STYLE | — |
| ABRY | LENGTH | INCHES NOMINAL 16.500 |
| AGAV | END ITEM IDENTIFICATION | 1915-01-153-8801; VESSEL, LOGISTICS SUP |
| AZQH | MAXIMUM WATTAGE RATING IN WATTS | 3000.0 |
| BHHK | ELEMENT QUANTITY | 1 |
| CQJX | NOMINAL THREAD SIZE | SCREW INCHES 1.000 |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | SINGLE VOLTAGE AC 480.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOW-WATT DENSITY ELEMENT |
| MATT | MATERIAL | SHEATH NICKEL ALLOY AND STEEL CORROSION RESISTING |
| THSD | THREAD SERIES DESIGNATOR | SCREW NPSM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 100109774 | 5DDA9 | A. O. SMITH CORPORATION DBA A. O. SMITH WATER PRODUCTS DIVISION DIV A.O. SMITH WATER PRODUCTS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520016854500&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520016854500
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4520-01-685-4500/
JSON: https://nsnexplorer.com/api/nsn/4520-01-685-4500.json