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) | 01-260-3257 (012603257) |
| NCB Code | USA (01) |
| Manufacturer | Chromalox Corp, Indeeco Llc, Valad Electric Heating Corp, Turbine Engine Components |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 106-056816-053 | chromalox corp | heater duct type st | RFQ |
| EH37-M | indeeco llc | heater duct type st | RFQ |
| EH37-M | valad electric heating corp | heater duct type st | RFQ |
| EH37-M | chromalox corp | heater duct type st | RFQ |
| 106-056816-053 | turbine engine components | heater duct type st | RFQ |
| 106-056816-053 | indeeco llc | heater duct type st | RFQ |
| TFZ-37M | indeeco llc | heater duct type st | RFQ |
| 106-056816-000 | chromalox corp | heater duct type st | RFQ |
| TFZ-37M | chromalox corp | heater duct type st | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | Width | 52.000 INCHES NOMINAL |
| ELEC | Voltage In Volts | 440 |
| ZZZT | Nondefinitive Spec/Std Data | M TYPE AND 37EH SIZE |
| FAAZ | Phase | THREE |
| FREQ | Frequency In Hertz | 60 |
| BDXJ | Heating Element Type | ELECTRIC NONIMMERSION |
| ABAM | Heat Medium Type | AIR |
| ZZZK | Specification/Standard Data | 81349-MIL-H-22594 GOVERNMENT SPECIFICATION |
| HGTH | Height | 39.125 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| AEJZ | Depth | 8.000 INCHES NOMINAL |
| AAXX | Mounting Type | VENTILATION DUCT |
| CQSJ | Inclosure Material | ANY ACCEPTABLE |
| ALYC | Operating Control Type | ANY ACCEPTABLE |
| ACDC | Current Type | AC |
| AMPS | Current Rating In Amps | 3.6 |
| CQXD | Heat Delivery Rate | 343248.0 BRITISH THERMAL UNIT |
| Relevant Components for NSN - 4520-01-260-3257, 4520012603257 | ||||
| 4520-00-167-4233 (4520001674233) | 4510-01-112-6304 (4510011126304) | 4540-00-997-1466 (4540009971466) | 4510-00-960-6098 (4510009606098) | |
| 4540-00-403-1461 (4540004031461) | 4520-01-156-0516 (4520011560516) | 4520-01-626-6771 (4520016266771) | 4530-00-269-7871 (4530002697871) | |
| 4520-01-328-5645 (4520013285645) | 4520-01-066-7914 (4520010667914) | 4540-00-288-9732 (4540002889732) | 4510-01-018-4926 (4510010184926) | |
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