AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Heater Water Gas |
| Federal Supply Group (FSG) | Plumbing Heating and Sanitation Equipment |
| Federal Supply Class (FSC) | 4520 Space And Water Heating Equipment |
| National Item Identification Number (NIIN) | 00-143-9548 (001439548) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AMHR | Heating Capacity Per Hour | 34.000 GALLONS |
| AMHX | Temp Rise Per Hour | 100.0 DEG FAHRENHEIT |
| AMKA | Tank Capacity | 50.0 GALLONS |
| AMLL | Water Inlet Connection Thread Size And Series/Type Designator | 3/4-14 NPT |
| AMLQ | Water Inlet Connection Quantity | 1 |
| AMNZ | Gas Connection Thread Size And Series/Type Designator | 1/2 -14 NPT |
| AMPA | Flue Pipe Size | 3.000 INCHES NOMINAL |
| AHGR | Insulated Feature | INCLUDED |
| ADSM | Mounting Position | VERTICAL |
| ZZZT | Nondefinitive Spec/Std Data | 4 TYPE AND B GRADE |
| ALBM | Operating Control Method | AUTOMATIC |
| FEAT | Special Features | W/O FLUE PIPE AND REPAIR PARTS AND MAINTENANCE NOT REQUIRED AND SINGLE COATED GLASS LINING SHALL BE 0.006 TO 0.015 IN. THK. AND DIP TUBE SHALL WITHSTAND 230 DEG F TEMP |
| ZZZX | Departure From Cited Designator | RD BY FEAT |
| AAJJ | Maximum Operating Pressure | 127.5 POUNDS PER SQUARE INCH |
| AAJP | Outside Surface Treatment | ENAMELED |
| AAJQ | Inside Surface Treatment | GLASS, FUSED |
| AENF | Specific Gas For Which Designed | NATURAL GAS |
| MATT | Material | STEEL |
| Relevant Components for NSN - 4520-00-143-9548, 4520001439548 | ||||
| 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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