AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Heater Duct Type St |
| Federal Supply Group (FSG) | Plumbing Heating and Sanitation Equipment |
| Federal Supply Class (FSC) | 4520 Space And Water Heating Equipment |
| National Item Identification Number (NIIN) | 01-199-6507 (011996507) |
| NCB Code | USA (01) |
| Manufacturer | Chromalox Corp, Valad Electric Heating Corp, Indeeco Llc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 106-056816-004 | chromalox corp | heater duct type st | RFQ |
| TFZ-21L | valad electric heating corp | heater duct type st | RFQ |
| MIL-H-25594-TYPE-L-SIZE-21EH | valad electric heating corp | heater duct type st | RFQ |
| TFZ-21L | indeeco llc | heater duct type st | RFQ |
| 83-0801 | chromalox corp | heater duct type st | RFQ |
| 83-0801 | valad electric heating corp | heater duct type st | RFQ |
| EH21L | valad electric heating corp | heater duct type st | RFQ |
| MIL-H-25594-TYPE-L-SIZE-21EH | chromalox corp | heater duct type st | RFQ |
| TFZ-21L | chromalox corp | heater duct type st | RFQ |
| 106-056816-000 | chromalox corp | heater duct type st | RFQ |
| MIL-H-25594-TYPE-L-SIZE-21EH | indeeco llc | heater duct type st | RFQ |
| MIL-PRF-22594-TYPE-L-SIZE-21EH | valad electric heating corp | heater duct type st | RFQ |
| 83-0801 | indeeco llc | heater duct type st | RFQ |
| MIL-PRF-22594-TYPE-L-SIZE-21EH | chromalox corp | heater duct type st | RFQ |
| MIL-PRF-22594-TYPE-L-SIZE-21EH | indeeco llc | heater duct type st | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | Width | 13.000 INCHES NOMINAL |
| ALYC | Operating Control Type | ANY ACCEPTABLE |
| ELEC | Voltage In Volts | 115.0 |
| AMPS | Current Rating In Amps | 5.7 |
| ACDC | Current Type | AC |
| CQSJ | Inclosure Material | STEEL OR STEEL CORROSION RESISTING |
| CQXD | Heat Delivery Rate | 2217.8 BRITISH THERMAL UNIT |
| ZZZK | Specification/Standard Data | 81349-MIL-H-22594 GOVERNMENT SPECIFICATION |
| BDXJ | Heating Element Type | ELECTRIC NONIMMERSION |
| HGTH | Height | 7.750 INCHES NOMINAL |
| ZZZT | Nondefinitive Spec/Std Data | 21 SIZE AND L TYPE |
| SFTT | Surface Treatment | PAINT OR PASSIVATE |
| FREQ | Frequency In Hertz | 60.0 |
| AEJZ | Depth | 8.000 INCHES NOMINAL |
| AAXX | Mounting Type | VENTILATION DUCT |
| FAAZ | Phase | THREE |
| ABAM | Heat Medium Type | AIR |
| Relevant Components for NSN - 4520-01-199-6507, 4520011996507 | ||||
| 4510-01-168-2465 (4510011682465) | 4530-00-961-8116 (4530009618116) | 4520-01-643-9388 (4520016439388) | 4540-00-073-3358 (4540000733358) | |
| 4520-01-549-6351 (4520015496351) | 4540-01-234-1682 (4540012341682) | 4520-01-421-2350 (4520014212350) | 4510-01-574-9900 (4510015749900) | |
| 4510-00-278-9541 (4510002789541) | 4520-00-279-3099 (4520002793099) | 4510-00-273-1197 (4510002731197) | 4540-01-334-0543 (4540013340543) | |
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