# NSN 4520-01-302-5300: Heater, Immersion, Liquid Fuel Fir

NSN 4520-01-302-5300 (also written 4520013025300; NIIN 01-302-5300) 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 Sep 2026.

## Identification

- NSN: 4520-01-302-5300 (4520013025300)
- NIIN: 01-302-5300 (013025300)
- 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 | CPCH PROP HYDR OIL SUMP TANK HTR |
| FTLD | FUNCTIONAL DESCRIPTION | INTENDED USE IS NOT TO HEAT WATER BUT HYD OIL BY AN ELECTRICAL ELEMENT IMMERSED IN THE OIL |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | RATING-8KW-440V-3PH;FLANGE-6IN;TYPE K THERMOCOUPLE;LENGTH OF ELEMENTS-25IN |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 723XQ0517 | 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 |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $9,893.70 | 2 | 22MJ2 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520013025300) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE8E826P1543](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520013025300) | HEATER, IMMERSION, LI | — | $19,787.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4520013025300&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520013025300
- 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/4520-01-302-5300/
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