# NSN 4520-01-503-6626: Heating Element, Electrical, Immer

NSN 4520-01-503-6626 (also written 4520015036626; NIIN 01-503-6626) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4520-01-503-6626 (4520015036626)
- NIIN: 01-503-6626 (015036626)
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AALX | MOUNTING METHOD STYLE | — |
| AAQL | BODY STYLE | — |
| AARA | TERMINAL QUANTITY | 48 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.875 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 31.394 |
| ABJA | ELEMENT RADIATION SPECTRUM | NONINFRARED |
| ABJM | HEAT CONTROL TYPE | THERMOCOUPLE |
| ABJS | ELEMENT CONNECTION STYLE | — |
| ABJT | TERMINAL LENGTH | INCHES NOMINAL 1.250 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 11.750 |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 13.500 |
| ABKT | HOLE OR SLOT QUANTITY | 8 |
| ABKU | FLANGE THICKNESS | INCHES NOMINAL 1.125 |
| ABNR | HEAT QUANTITY | 1 |
| ABNS | WATT DENSITY RATING | SINGLE VOLTAGE PER SQUARE INCH 13.0 |
| ABNT | CONDUIT OPENING SIZE | INCHES MINIMUM 0.750 AND INCHES MAXIMUM 1.500 |
| ABRY | LENGTH | INCHES MINIMUM 23.500 AND INCHES MAXIMUM 24.500 |
| AZQH | MAXIMUM WATTAGE RATING IN WATTS | 18000.000 |
| BHHK | ELEMENT QUANTITY | 24 |
| CQJX | NOMINAL THREAD SIZE | MOUNTING FACILITY INCHES 0.500 |
| CQRN | THREAD QUANTITY | MOUNTING FACILITY PER INCH 13 |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | SINGLE VOLTAGE AC 440.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | IMMERSION HEATER, FLANGED, REDUCTION GEAR LO SETTING TANK HEATER, (MODEL TMS-2418E4XXI) 440V, 18KW, 1-3PH, 13WPSI |
| FAAZ | PHASE | SINGLE VOLTAGE SINGLE OR THREE |
| FEAT | SPECIAL FEATURES | CAPACITY:HEATS 800 GALLONS OF 2190 TLP FROM 38 DEG C TO 79 DEG C IN 5 HOURS; HIGH SHOCK RESISTANCE AND ENVIRONMENT VIBRATION RESISTANCE |
| MATT | MATERIAL | SHEATH STEEL COMP 304L |
| THSD | THREAD SERIES DESIGNATOR | MOUNTING FACILITY UNIFIED NATIONAL COARSE (UNC) |
| MATT | MATERIAL | RESISTANCE WIRE NICKEL ALLOY E |
| FREQ | FREQUENCY IN HERTZ | 60.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 073098-005 | 07131 | CHROMALOX INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 155-073098-005 REV 1 | 07131 | CHROMALOX INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 155-073098-005 REV 4 | 07131 | CHROMALOX INC | [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=4520015036626&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015036626
- 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/4520-01-503-6626/
JSON: https://nsnexplorer.com/api/nsn/4520-01-503-6626.json