# NSN 4520-01-572-5558: Heating Element, Electrical, Immer

NSN 4520-01-572-5558 (also written 4520015725558; NIIN 01-572-5558) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4520-01-572-5558 (4520015725558)
- NIIN: 01-572-5558 (015725558)
- 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 | 1 |
| ABJA | ELEMENT RADIATION SPECTRUM | NONINFRARED |
| ABJS | ELEMENT CONNECTION STYLE | — |
| ABJT | TERMINAL LENGTH | INCHES NOMINAL 18.000 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.500 |
| ABNR | HEAT QUANTITY | 1 |
| ABNS | WATT DENSITY RATING | SINGLE VOLTAGE PER SQUARE INCH 40.0 |
| ABRY | LENGTH | INCHES NOMINAL 75.000 |
| AGAV | END ITEM IDENTIFICATION | NAVY CODE 950066134 |
| AZQH | MAXIMUM WATTAGE RATING IN WATTS | 112.0 |
| BHHK | ELEMENT QUANTITY | 1 |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | SINGLE VOLTAGE DC 24.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SLEEVE,FIRE,FLAMETITE |
| FAAZ | PHASE | SINGLE VOLTAGE SINGLE |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| MATT | MATERIAL | SHEATH GLASS FIBER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5750275-005 / TF1072-38S | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TF1072-38S | 2T577 | TITEFLEX CORP INDUSTRIAL PRODUCTS GROUP | [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=4520015725558&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015725558
- 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/4520-01-572-5558/
JSON: https://nsnexplorer.com/api/nsn/4520-01-572-5558.json