# NSN 4520-00-552-3716: Heater, Water, Electric

NSN 4520-00-552-3716 (also written 4520005523716; NIIN 00-552-3716) is a heater, water, electric in Federal Supply Class 4520, Space and Water Heating Equipment. 7 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4520-00-552-3716 (4520005523716)
- NIIN: 00-552-3716 (005523716)
- Item name: HEATER,WATER,ELECTRIC
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AMLM | WATER OUTLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR | NPT 0.750-14 |
| AMRK | HEATING ELEMENT WATTAGE RATING | LOWER 4500.000 AND UPPER 4500.000 |
| AXQD | CAPACITY | TANK GALLONS 50.0 |
| AMHX | TEMP RISE PER HOUR | FAHRENHEIT 90.0 |
| CQQF | OPERATING PRESSURE | POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0 |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | AC 240.0 |
| FAAZ | PHASE | SINGLE |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | INSIDE GLASS FIBER |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 50.000 |
| CBBL | FEATURES PROVIDED | INSULATED |
| AEEA | SWITCH TYPE | SINGLE THROW |
| ABAL | HEATING ELEMENT TYPE | DOUBLE |
| ABFF | FURNISHED ITEMS | THERMOSTATIC SWITCH |
| AMLR | WATER OUTLET CONNECTION QUANTITY | 1 |
| AKYN | FURNISHED ITEMS AND QUANTITY | DRAIN VALVE 1; ANODE ROD 1 |
| SFTT | SURFACE TREATMENT | OUTSIDE ENAMEL |
| AMLQ | WATER INLET CONNECTION QUANTITY | 1 |
| AMLL | WATER INLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR | NPT 0.750-14 |
| AMHR | HEATING CAPACITY PER HOUR | GALLONS 20.0 |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 21.000 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3570K32 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3E120 | 25795 | W.W. GRAINGER, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3WA71 | 25795 | W.W. GRAINGER, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6E722 | 25795 | W.W. GRAINGER, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 81V52D-B | 6W294 | RHEEM MFG CO DIV OF CITY INVESTING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M-I-50S5DS | 86458 | BRADFORD-WHITE CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M250S6DS | 86458 | BRADFORD-WHITE CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE8E8-27-T-0306 | 18 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520005523716&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520005523716&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520005523716
- 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/4520-00-552-3716/
JSON: https://nsnexplorer.com/api/nsn/4520-00-552-3716.json