Federal Supply Class 4520
SPACE AND WATER HEATING EQUIPMENT
20,345 NSNs in group 45, PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT.
INCLUDES BOILERS, 15 POUNDS WSP AND UNDER (FOR BOILERS OVER 15 POUNDS WSP, SEE FSC 4410); DOMESTIC WATER STORAGE TANKS THROUGH 100 GALLON CAPACITY; FIREPLACE HEATERS; FURNACES; SPACE HEATERS; HEATING RADIATORS; IMMERSION HEATERS; WATER HEATERS, THROUGH 100 GALLON RECOVERY CAPACITY (FOR HEATERS OVER 100 GALLONS RECOVERY CAPACITY, SEE FSC 4410).
NSNs in this class
Showing 1,201-1,300 of 20,345.
| NSN | Item name | Part number | CAGE |
|---|---|---|---|
| 4520-00-576-6010 | ELL,DUCT FITTING | ||
| 4520-00-576-7992 | ELL,DUCT FITTING | ||
| 4520-00-576-7998 | ELL,DUCT FITTING | ||
| 4520-00-576-6116 | ELL,DUCT,FITTING | ||
| 4520-01-610-0905 | ENCLOSURE HEATER | 020050C1-AV31F | 79221 |
| 4520-01-430-0186 | ENCLOSURE,HEATER | 5H56963D | 4A633 |
| 4520-01-430-0192 | ENCLOSURE,HEATER | 5H56973D | 4A633 |
| 4520-01-212-9497 | ENCLOSURE,TANK | 13219E2421 | 97403 |
| 4520-00-576-5109 | END CAP,DUCT | ||
| 4520-00-576-5655 | END CAP,DUCT | ||
| 4520-00-576-5899 | END CAP,DUCT | ||
| 4520-00-102-0844 | ENERGIZER GUIDE | 59166 | 35795 |
| 4520-01-541-2528 | ENERGY UNIT | ||
| 4520-01-564-3917 | ENHANCED HEATING SYSTEM,RATION,T | ETRHS 001 | 81337 |
| 4520-01-512-9031 | EXCESS HEATER ASSY | NV1014925-1 | 73030 |
| 4520-00-460-4705 | EXCHANGER,HEAT | SU42-4 | 06631 |
| 4520-01-095-3163 | EXCHANGER,HEATER | 16867601 | 92878 |
| 4520-00-137-1926 | EXHAUST ASSEMBLY | 1-68495 | 92878 |
| 4520-01-023-3475 | EXHAUST KIT,HEATER | 13220E8912 | 97403 |
| 4520-01-043-2486 | EXHAUST PIPE ASSEMBLY,ENGINE | 18180 | 92878 |
| 4520-00-137-1929 | EXHAUST SECTION | 2-68490 | 92878 |
| 4520-01-071-4776 | EXHAUST STACK ASSEMBLY,HEATER | SM-A-775925 | 80063 |
| 4520-00-610-6417 | EXHAUST TUBE ASSEMB | 41C37 | 72914 |
| 4520-00-497-6668 | EXHAUST,FLUE | 39-472 | 0EXU3 |
| 4520-01-003-1461 | EXHAUST,STACK END | TMF3240 | 92878 |
| 4520-01-560-4826 | EXPANSION TANK | 7386687 | 53711 |
| 4520-01-296-0430 | EXPANSION,AIR DUCT | 4880C08G01 | 18323 |
| 4520-01-284-2292 | EXTENSION ASSEMBLY,AIR DUCT | 72D225686-1015 | 76301 |
| 4520-01-169-8558 | EXTENSION,EXHAUST | TMF3232-100 | 92878 |
| 4520-00-379-4668 | EXTENSION,HANDLE | 388927-WPCW4 AND X4 | 53711 |
| 4520-01-003-1475 | EXTENSION,HEATER EXHAUST | TRF3120 | 92878 |
| 4520-00-153-4677 | EXTENSION,STACK ASSEMBLY | 5-13-2068 | 81337 |
| 4520-00-552-4366 | EXTRACTOR,AIR DUCT | AG45-14X4IN | 98442 |
| 4520-00-987-9570 | FAN | TM620E | 5RQL2 |
| 4520-01-207-8743 | FAN BLADE,VANEAXIAL | 8227092-10 | 98752 |
| 4520-01-678-9137 | FAN COIL | 2522-0000-1.2-LVP | 38450 |
| 4520-01-678-9139 | FAN COIL | 2522-0000-2.2-LVP | 38450 |
| 4520-01-678-9141 | FAN COIL | 2523-0000-1.75-LVP | 38450 |
| 4520-01-678-9143 | FAN COIL | 2523-0000-3.5-LVP | 38450 |
| 4520-01-678-9291 | FAN COIL | 2523-0000-5.25-LVP | 38450 |
| 4520-01-678-9294 | FAN COIL | 2523-0000-LVP | 38450 |
| 4520-01-678-9702 | FAN COIL | 2524-0000-2.0-LVP | 38450 |
| 4520-01-678-9705 | FAN COIL | 2524-0000-4.0-LVP | 38450 |
| 4520-01-678-9709 | FAN COIL | 2524-0000-6.0-LVP | 38450 |
| 4520-01-678-9720 | FAN COIL | 2524-0000-LVP | 38450 |
| 4520-01-679-0503 | FAN COIL | 2527-0000-3.0-LVP | 38450 |
| 4520-01-679-0849 | FAN COIL | 2527-0000-6.0-LVP | 38450 |
| 4520-01-679-0851 | FAN COIL | 2531-0000-1.2-LVP | 38450 |
| 4520-01-003-6212 | FAN RING | TM3925 | 92878 |
| 4520-01-464-7673 | FAN TRAY FILTERS | 1525-110 | 55123 |
| 4520-01-232-0688 | FAN,HUB ASSEMBLY | 8227210-10 | 98752 |
| 4520-01-512-9450 | FEED HEATER ASSY | S9515-AL-MMA-010, 7-43 ITEM 10 | 53711 |
| 4520-01-450-6194 | FILL CAP WATER TANK | 678XA | 41592 |
| 4520-01-032-7294 | FILLER | 405924 | 57712 |
| 4520-00-137-1931 | FILLER ASSEMBLY | 1-68485 | 92878 |
| 4520-00-607-0170 | FILLTANK FABRICATED | TTF45 | 92878 |
| 4520-01-042-4670 | FILTER DUCT ASSEMBLY | 18047 | 92878 |
| 4520-01-085-1373 | FILTER,AIR INLET | 74094-1 | 92878 |
| 4520-01-463-4427 | FILTER,CARTRIDGE,HE | 130-000070-009 | 0DXZ3 |
| 4520-01-131-9640 | FIN TUBE | E-173-859-PC100 | 11440 |
| 4520-01-009-8940 | FIN,HEATER TUBE | VDH-256 | 17032 |
| 4520-01-532-7115 | FIRING PACKAGE | 0135-28084-0001 | 10023 |
| 4520-00-042-4971 | FITTING,VENTILATION | 49643-32X5PC13 | 96169 |
| 4520-01-272-5209 | FIXTURE BONDING HEA | T-218489 | 06481 |
| 4520-01-272-5196 | FIXTURE GRIT BLAST | T-218490 | 06481 |
| 4520-01-539-7201 | FLAME SENSOR | 40484 | 92878 |
| 4520-01-560-4795 | FLAME SENSOR | 91370-B | 44MG9 |
| 4520-01-561-1247 | FLAME SENSOR | 91370 | 44MG9 |
| 4520-01-253-8716 | FLANGE STACK | 13219E2497 | 97403 |
| 4520-01-003-1464 | FLANGE,CLEARANCE HOLE | TM3948 | 92878 |
| 4520-01-100-7199 | FLANGE,DRIVEN | 8227043/01 | 98752 |
| 4520-01-211-0998 | FLANGED JOINT | VAN STONE FLANGE SIZE 24 | 09098 |
| 4520-01-571-0552 | FLASH HEATER | RDHWOOO4 | 35NF2 |
| 4520-01-259-8004 | FLUE COLLAR ASSEMBLY | 340-004-606 | 77683 |
| 4520-01-259-8005 | FLUE COLLAR ASSEMBLY | 340-004-607 | 77683 |
| 4520-01-259-8006 | FLUE COLLAR ASSEMBLY | 340-004-608 | 77683 |
| 4520-01-258-2757 | FLUE COLLAR ASSEMBLY,BOILER | 340-004-609 | 77683 |
| 4520-01-605-3900 | FLUSH AUTO | 10-0726 ITEM NO.39 | 17032 |
| 4520-01-288-9720 | FLUSHING TUBE | 020-0125 | 55455 |
| 4520-01-210-9553 | FRAME AND BOX WITH | 444W | 67085 |
| 4520-01-231-9776 | FRAME ASSEMBLY,DUCT | 10685-100 | 92878 |
| 4520-00-470-2014 | FRAME,AIR DISCHARGE | 1-68577-1 | 92878 |
| 4520-01-413-3397 | FRAME,SPECIAL MOUNTING | 65126 | 35795 |
| 4520-01-102-2245 | FRAME,TRAILER | 8227055-10 | 98752 |
| 4520-01-466-0409 | FUEL CONTROL VALVE | 106366 | 92878 |
| 4520-01-550-2026 | FUEL HEATER ASSY | UPB43175-1 | 0YJB5 |
| 4520-01-466-0420 | FUEL HOSE KIT | 106367 | 92878 |
| 4520-00-137-1924 | FUEL LINE ASSEMBLY | 1-68472 | 92878 |
| 4520-01-100-5963 | FUEL SCHEMATIC | 8227021-01 | 98752 |
| 4520-01-242-1648 | FUEL SOLENOID ELECT | 168204 | 92878 |
| 4520-00-450-9570 | FURNACE,WALL | 81B50143R | 41340 |
| 4520-00-096-2790 | FURNACE,WARM AIR | SDF50-02FU | 79466 |
| 4520-00-233-8111 | FURNACE,WARM AIR | GL175BH1C | 09865 |
| 4520-00-453-9140 | FURNACE,WARM AIR | WWF2743-1-A-3-LO | 81348 |
| 4520-00-453-9141 | FURNACE,WARM AIR | MILF17104 | 81349 |
| 4520-00-453-9142 | FURNACE,WARM AIR | WW-F-2743-1-A-2-1 | 81348 |
| 4520-00-453-9143 | FURNACE,WARM AIR | MILF17104 | 81349 |
| 4520-00-453-9144 | FURNACE,WARM AIR | MILF17104 | 81349 |
| 4520-00-453-9145 | FURNACE,WARM AIR | MILF17104 | 81349 |
| 4520-00-456-5746 | FURNACE,WARM AIR | 1734P4 | 39428 |
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