# NSN 4520-01-302-5301: Heater, Immersion, Liquid Fuel Fir

NSN 4520-01-302-5301 (also written 4520013025301; NIIN 01-302-5301) is a heater, immersion, liquid fuel fir in Federal Supply Class 4520, Space and Water Heating Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4520-01-302-5301 (4520013025301)
- NIIN: 01-302-5301 (013025301)
- Item name: HEATER,IMMERSION,LIQUID FUEL FIR
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | LUBO SETTLING TANK |
| FTLD | FUNCTIONAL DESCRIPTION | INTENDED USE IS NOT TO HEAT WATER BUT OIL VIA AN ELECTRICAL HEATING ELEMENT |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | RATING-18KW-440V-3PH;FLANGE-8IN;TYPE K THERMOCOUPLE;LENGTH OF ELEMENTS-24IN |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 724XQ0518 | 74924 | INDEECO LLC DBA INDEECO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-28 | $18,500.00 | 9 | INTEGRATED PROCUREMENT TECHNOLOGIES | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520013025301) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-28 | [SPE8E827P0123](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520013025301) | HEATER, IMMERSION, LIQUID FUEL FIRED | INTEGRATED PROCUREMENT TECHNOLOGIES | $166,500.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520013025301&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520013025301
- 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/4520-01-302-5301/
JSON: https://nsnexplorer.com/api/nsn/4520-01-302-5301.json