# NSN 4520-00-300-7805: Heating Element, Electrical, Immer

NSN 4520-00-300-7805 (also written 4520003007805; NIIN 00-300-7805) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4520-00-300-7805 (4520003007805)
- NIIN: 00-300-7805 (003007805)
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABRY | LENGTH | INCHES NOMINAL 13.562 |
| ABJS | ELEMENT CONNECTION STYLE | — |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 6.000 |
| ABKS | MOUNTING FACILITY WIDTH | INCHES NOMINAL 0.375 |
| AARA | TERMINAL QUANTITY | 2 |
| ABJA | ELEMENT RADIATION SPECTRUM | NONINFRARED |
| AAQL | BODY STYLE | — |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 16.750 |
| BHHK | ELEMENT QUANTITY | 3 |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | SINGLE VOLTAGE AC 440.0 |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| MATT | MATERIAL | SHEATH COPPER ALLOY |
| ABJT | TERMINAL LENGTH | INCHES NOMINAL 1.688 |
| AZQH | MAXIMUM WATTAGE RATING IN WATTS | 20000.0 |
| FAAZ | PHASE | SINGLE VOLTAGE THREE |
| ABHS | EFFECTIVE HEATING LENGTH | INCHES NOMINAL 13.563 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.250 |
| ABKT | HOLE OR SLOT QUANTITY | 6 |
| AALX | MOUNTING METHOD STYLE | — |
| ABNR | HEAT QUANTITY | 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 155-116078-003 | 65586 | CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F20440CES | 19857 | THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TA17723-11 | 55581 | TAMCO, INC. DBA TECHNICAL ASSISTANCE COMPANY DIV TECHNICAL ASSISTANCE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TA17723-11 | 5RA73 | INTELLIWORKS HT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-07 | $4,538.85 | 2 | PIONEER INDUSTRIES, LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520003007805) |
| 2026-08-31 | $4,538.85 | 3 | PIONEER INDUSTRIES, LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520003007805) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE8E927V0058](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520003007805) | HEATING ELEMENT, ELECTRICAL, IMMERSION TYP | PIONEER INDUSTRIES, LLC | $9,077.70 |
| 2026-08-31 | [SPE8E926V2230](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520003007805) | HEATING ELEMENT, ELECTRICAL, IMMERSION TYP | PIONEER INDUSTRIES, LLC | $13,616.55 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520003007805&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520003007805
- 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/4520-00-300-7805/
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