# NSN 4520-01-536-1522: Heating Element, Electrical, Immer

NSN 4520-01-536-1522 (also written 4520015361522; NIIN 01-536-1522) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4520-01-536-1522 (4520015361522)
- NIIN: 01-536-1522 (015361522)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BHHK | ELEMENT QUANTITY | 6 |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | SINGLE VOLTAGE AC 440.0 |
| FAAZ | PHASE | SINGLE VOLTAGE THREE |
| FEAT | SPECIAL FEATURES | SHEATH .475 IN DIA., .035 IN. WALL THICKNESS, 4 IN. 150 LB. ANSI INCOLOY 800 MOUNTING FLANGE;SUPPLIED WITH STAINLESS STEEL SPIRAL WOUND NON-ASBESTOS FLEXITALLIC HIGH TEMP FLANGE GASKET |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| AZQH | MAXIMUM WATTAGE RATING IN WATTS | 32500.0 |
| AAQL | BODY STYLE | — |
| ABHS | EFFECTIVE HEATING LENGTH | INCHES NOMINAL 33.000 |
| ABJA | ELEMENT RADIATION SPECTRUM | NONINFRARED |
| ABJM | HEAT CONTROL TYPE | THERMOSTAT |
| ABNS | WATT DENSITY RATING | SINGLE VOLTAGE PER SQUARE INCH 50.0 |
| ABRY | LENGTH | INCHES NOMINAL 36.000 |
| AGAV | END ITEM IDENTIFICATION | 375 GALLON ELECTRIC WATER HEATER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SHEATH MFR REF SINGLE MATERIAL RESPONSE INCOLOY 800 |
| MATT | MATERIAL | SHEATH NICKEL ALLOY |
| MATT | MATERIAL | RESISTANCE WIRE CHROMIUM AND NICKEL ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 124677 | 07131 | CHROMALOX INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 124677 | 7R305 | GAUMER COMPANY, INC. DBA GAUMER PROCESS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 124677 | 95368 | AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 201263 ITEM 1 | 95368 | AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE7M127P1068](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015361522) | HEATING ELEMENT, ELECTRICAL, IMMERSION TYP | PIONEER INDUSTRIES, LLC | $31,569.11 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520015361522&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520015361522
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4520-01-536-1522/
JSON: https://nsnexplorer.com/api/nsn/4520-01-536-1522.json