# NSN 4520-01-247-1437: Heater, Duct Type, Stationary

NSN 4520-01-247-1437 (also written 4520012471437; NIIN 01-247-1437) is a heater, duct type, stationary in Federal Supply Class 4520, Space and Water Heating Equipment. 5 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4520-01-247-1437 (4520012471437)
- NIIN: 01-247-1437 (012471437)
- Item name: HEATER,DUCT TYPE,STATIONARY
- 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: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAXX | MOUNTING TYPE | VENTILATION DUCT |
| ABAM | HEAT MEDIUM TYPE | AIR |
| ABGL | WIDTH | INCHES NOMINAL 20.000 |
| ACDC | CURRENT TYPE | AC |
| AEJZ | DEPTH | INCHES NOMINAL 6.000 |
| ALYC | OPERATING CONTROL TYPE | AUTOMATIC CONTROL SWITCH |
| AMPS | CURRENT RATING IN AMPS | 10.2 |
| BDXJ | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |
| CQSJ | INCLOSURE MATERIAL | STEEL CORROSION RESISTING |
| CQXD | HEAT DELIVERY RATE | BRITISH THERMAL UNIT 15354.0 |
| ELEC | VOLTAGE IN VOLTS | 440.0 |
| FAAZ | PHASE | THREE |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| HGTH | HEIGHT | INCHES NOMINAL 6.250 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 106-056816-000 | 65586 | CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 106-056816-012 | 65586 | CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| EH 23H | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| EH23H | 17032 | VALAD ELECTRIC HEATING CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TFZ-23H | 74924 | INDEECO LLC DBA INDEECO | [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=4520012471437&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520012471437
- 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/4520-01-247-1437/
JSON: https://nsnexplorer.com/api/nsn/4520-01-247-1437.json