# NSN 4520-01-420-5253: Heater, Duct Type, Stationary

NSN 4520-01-420-5253 (also written 4520014205253; NIIN 01-420-5253) is a heater, duct type, stationary in Federal Supply Class 4520, Space and Water Heating Equipment. 5 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4520-01-420-5253 (4520014205253)
- NIIN: 01-420-5253 (014205253)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAXX | MOUNTING TYPE | VENTILATION DUCT |
| ABAM | HEAT MEDIUM TYPE | AIR |
| ABAT | DUCT HEIGHT | INCHES 6.000 |
| ABAU | DUCT WIDTH | INCHES 12.000 |
| ABGL | WIDTH | INCHES NOMINAL 19.500 |
| ACDC | CURRENT TYPE | AC |
| AEJZ | DEPTH | INCHES NOMINAL 21.000 |
| AGAV | END ITEM IDENTIFICATION | STRATEGIC SEALIFT CONVERSION SHIPS CLASS |
| AMPS | CURRENT RATING IN AMPS | 1.14 |
| BDXJ | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |
| CQSJ | INCLOSURE MATERIAL | STEEL CORROSION RESISTING |
| CQXD | HEAT DELIVERY RATE | BRITISH THERMAL UNIT 1706.0 |
| ELEC | VOLTAGE IN VOLTS | 440.0 |
| FAAZ | PHASE | SINGLE |
| FEAT | SPECIAL FEATURES | RIGHT AIRFLOW (U4),LEFT OVERHANG (L6) |
| FREQ | FREQUENCY IN HERTZ | 50.0 OR 60.0 |
| HGTH | HEIGHT | INCHES NOMINAL 9.000 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| L210T0:B12983-D -0 EL-77080 TAG | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| L210T0:B12983-D-0 | 74924 | INDEECO LLC DBA INDEECO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| L210T0:B12983-D-0 TAG 37,46 | 74924 | INDEECO LLC DBA INDEECO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| L210T0:B12983-D-TFZU-0.5-12X6-4- | 74924 | INDEECO LLC DBA INDEECO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TFZU-0.50-12-6-440/1/1/24 | 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=4520014205253&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4520014205253
- 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/4520-01-420-5253/
JSON: https://nsnexplorer.com/api/nsn/4520-01-420-5253.json