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 13,101-13,200 of 20,345.
| NSN | Item name | Part number | CAGE |
|---|---|---|---|
| 4520-01-383-2361 | TERMINAL,VENTILATION DUCT | 5-19-6826 | 81361 |
| 4520-01-391-1055 | TERMINAL,VENTILATION DUCT | 12927812 | 19200 |
| 4520-01-398-9767 | TERMINAL,VENTILATION DUCT | 1D23418H01 | 97942 |
| 4520-01-435-9081 | TERMINAL,VENTILATION DUCT | DAA3295A173-033 | 1W025 |
| 4520-01-436-8792 | TERMINAL,VENTILATION DUCT | 1260036-101 | 98897 |
| 4520-01-436-8802 | TERMINAL,VENTILATION DUCT | 1260037-101 | 98897 |
| 4520-01-490-3148 | TERMINAL,VENTILATION DUCT | 13502871 | 18876 |
| 4520-01-490-3154 | TERMINAL,VENTILATION DUCT | 13502870 | 18876 |
| 4520-01-495-6396 | TERMINAL,VENTILATION DUCT | 512-70267250-A3 | 53711 |
| 4520-01-495-6442 | TERMINAL,VENTILATION DUCT | 512-7067250-A1 | 53711 |
| 4520-01-495-6643 | TERMINAL,VENTILATION DUCT | 512-7067250-A2 | 53711 |
| 4520-01-500-2543 | TERMINAL,VENTILATION DUCT | B4033537-001 | 56996 |
| 4520-01-503-5928 | TERMINAL,VENTILATION DUCT | NSD61-10-8-16 | 09051 |
| 4520-01-506-9008 | TERMINAL,VENTILATION DUCT | 060401-60E | 0VXY8 |
| 4520-01-510-9178 | TERMINAL,VENTILATION DUCT | 37534-40044-1 | 97384 |
| 4520-01-511-7410 | TERMINAL,VENTILATION DUCT | 120921-3 | 82340 |
| 4520-01-511-7430 | TERMINAL,VENTILATION DUCT | 120921-4 | 82340 |
| 4520-01-511-7449 | TERMINAL,VENTILATION DUCT | 120921-5 | 82340 |
| 4520-01-521-5779 | TERMINAL,VENTILATION DUCT | 2051AS149-01 | 30003 |
| 4520-01-566-6819 | TERMINAL,VENTILATION DUCT | 11441094 | 18876 |
| 4520-01-595-6313 | TERMINAL,VENTILATION DUCT | 5009320003-003 | 022T1 |
| 4520-01-602-6205 | TERMINAL,VENTILATION DUCT | 2.5-1600WSG | 79128 |
| 4520-01-602-6206 | TERMINAL,VENTILATION DUCT | 2.5-1600SILBC | 79128 |
| 4520-01-614-9128 | TERMINAL,VENTILATION DUCT | 512-7067250-A4 | 53711 |
| 4520-01-663-3283 | TERMINAL,VENTILATION DUCT | JE220430X12S601 | 97537 |
| 4520-01-672-1666 | TERMINAL,VENTILATION DUCT | GMK-O-HVACRFV-AKA | 3CDS0 |
| 4520-01-672-1674 | TERMINAL,VENTILATION DUCT | GMK-O-HVACLFV-A | 3CDS0 |
| 4520-01-698-7516 | TERMINAL,VENTILATION DUCT | 217100009 | 4XB81 |
| 4520-01-707-0307 | TERMINAL,VENTILATION DUCT | 2372818-1 | 70210 |
| 4520-01-715-0095 | TERMINAL,VENTILATION DUCT | 512-8839672-A4 | 53711 |
| 4520-01-715-6524 | TERMINAL,VENTILATION DUCT | 512-8837250-A3 | 53711 |
| 4520-01-722-3444 | TERMINAL,VENTILATION DUCT | 634 | 09295 |
| 4520-01-734-8715 | TERMINAL,VENTILATION DUCT | 167-7108111-A6 | 53711 |
| 4520-01-738-0695 | TERMINAL,VENTILATION DUCT | 12639482 | 19207 |
| 4520-01-583-8402 | TEST ASSEMBLY,HEATER TUBE | 400-103-009 | 43AS7 |
| 4520-00-788-3648 | THERMOCOUPLE FLAME | A73548A | 92878 |
| 4520-00-660-8478 | THERMOCOUPLE LEAD | 86192 | 92878 |
| 4520-00-875-4280 | THERMOSTAT | A52383G1 | 46522 |
| 4520-00-651-4451 | THERMOSTAT,WATER HE | WH-5 | 19857 |
| 4520-00-938-2908 | THERMOSTAT,WATER HE | Z52162-006 | 19857 |
| 4520-00-930-8314 | THIMBLE,HEATER | ||
| 4520-00-860-1151 | TIME DELAY ASSEMBLY | A48437 | 92878 |
| 4520-01-488-9846 | TIMER,S. S. | 975-C4628 | 8Y520 |
| 4520-00-969-7959 | TIP BURNER | ||
| 4520-00-963-8702 | TIPS,PILOT,LAVA,TIP | ||
| 4520-01-235-5694 | TOOL,DAMPER,MANUAL | 5328534 | 53711 |
| 4520-00-024-7399 | TOP ASSEMBLY,CABINET | TCA481 | 58849 |
| 4520-00-874-0423 | TOP,DRUM | 13208E6185-2 | 97403 |
| 4520-00-555-8539 | TOP,SPACE HEATER | 5-11-82T0PST0V | 81337 |
| 4520-00-337-9961 | TOWBAR ASSEMBLY | CS4520-0004 | 16236 |
| 4520-01-066-7924 | TRANSITION,AIR CONDITIONING-HEAT | SQR-6X12X12IN | 09098 |
| 4520-00-829-6532 | TRUNNION-BLOCK | 698-TM644D | 55683 |
| 4520-00-467-5326 | TUBE | 1475-6-35 | 60883 |
| 4520-00-963-3378 | TUBE | ||
| 4520-00-815-8148 | TUBE ASSEMBLY | 433968 | 77445 |
| 4520-00-767-9019 | TUBE ASSEMBLY METAL | A73308 | 92878 |
| 4520-01-003-1462 | TUBE ASSEMBLY,HEATER | TMF3210 | 92878 |
| 4520-01-003-1467 | TUBE ASSEMBLY,HEATER | TRA3048&100 | 5RQL2 |
| 4520-01-003-1468 | TUBE ASSEMBLY,HEATER | TRA3049-100 | 92878 |
| 4520-01-003-1469 | TUBE ASSEMBLY,HEATER | TRA3046-100 | 92878 |
| 4520-00-611-9485 | TUBE ASSY,NOZZLE BY | T0F91 | 92878 |
| 4520-01-019-9856 | TUBE BUNDLE | ||
| 4520-01-085-2582 | TUBE COMBUSTION BUR | MA319-21026 | 34623 |
| 4520-00-522-9432 | TUBE,DRAIN | TR825A | 5RQL2 |
| 4520-01-224-6297 | TURBOLATOR ASSEMBLY | 93179 | 53800 |
| 4520-00-735-3124 | TURBULATOR | 202-2 | 0EXU3 |
| 4520-01-291-9630 | TURBULATOR,AIR | B-31048 | 93408 |
| 4520-01-533-0627 | UMBRELLA VALVE | 171236 | 92878 |
| 4520-00-071-1735 | UNIT HEATER,AIR CIRCULATING,STEA | MIL-U-17691 | 81349 |
| 4520-00-191-7007 | UNIT HEATER,AIR CIRCULATING,STEA | S38S | 60532 |
| 4520-00-219-7897 | UNIT HEATER,AIR CIRCULATING,STEA | HV-18 | 87705 |
| 4520-00-219-7902 | UNIT HEATER,AIR CIRCULATING,STEA | 64P | 60532 |
| 4520-00-239-6634 | UNIT HEATER,AIR CIRCULATING,STEA | MILU17293B | 81349 |
| 4520-00-257-5228 | UNIT HEATER,AIR CIRCULATING,STEA | UHSA126W2CDAF | 60532 |
| 4520-00-257-5229 | UNIT HEATER,AIR CIRCULATING,STEA | MILU17691 | 81349 |
| 4520-00-257-5230 | UNIT HEATER,AIR CIRCULATING,STEA | MIL-U-17691TYPE1 | 81349 |
| 4520-00-450-9554 | UNIT HEATER,AIR CIRCULATING,STEA | 146P | 60532 |
| 4520-00-453-8982 | UNIT HEATER,AIR CIRCULATING,STEA | MILU17691 | 81349 |
| 4520-00-498-4170 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 11 | 87103 |
| 4520-00-498-4172 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 12 NON-MAGNETIC | 87103 |
| 4520-00-498-4173 | UNIT HEATER,AIR CIRCULATING,STEA | M17293CL1SZ12-15VAC1PH60HZ | 81349 |
| 4520-00-498-4174 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 13 | 87103 |
| 4520-00-498-4175 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 13 230 BOLT | 87103 |
| 4520-00-498-4179 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 15 NOW-MAGNETIC | 87103 |
| 4520-00-498-4183 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 16 | 87103 |
| 4520-00-944-1446 | UNIT HEATER,AIR CIRCULATING,STEA | 40HCRV19581 | 66137 |
| 4520-01-020-4665 | UNIT HEATER,AIR CIRCULATING,STEA | UHPA252P4ABAK | 60532 |
| 4520-01-048-1152 | UNIT HEATER,AIR CIRCULATING,STEA | UHSA070S8CAAG | 60532 |
| 4520-01-152-8330 | UNIT HEATER,AIR CIRCULATING,STEA | UHPA-122P-4A-BAX | 60532 |
| 4520-01-156-0516 | UNIT HEATER,AIR CIRCULATING,STEA | V-247-05 | 3FQN6 |
| 4520-01-172-2952 | UNIT HEATER,AIR CIRCULATING,STEA | UHSA-186S-8A-AAJ | 60532 |
| 4520-01-191-6320 | UNIT HEATER,AIR CIRCULATING,STEA | 42-S | 60532 |
| 4520-01-200-0913 | UNIT HEATER,AIR CIRCULATING,STEA | C-900-G | 24999 |
| 4520-01-219-6481 | UNIT HEATER,AIR CIRCULATING,STEA | FCBB02 | 60532 |
| 4520-01-233-0734 | UNIT HEATER,AIR CIRCULATING,STEA | 80P | 60532 |
| 4520-01-238-8746 | UNIT HEATER,AIR CIRCULATING,STEA | 1182 | 62537 |
| 4520-01-259-7240 | UNIT HEATER,AIR CIRCULATING,STEA | UHSA-400W-2A-AAT | 60532 |
| 4520-01-262-3113 | UNIT HEATER,AIR CIRCULATING,STEA | UHSA-100W-2A-AAJ | 60532 |
| 4520-01-274-4707 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 14 | 87103 |
| 4520-01-274-4708 | UNIT HEATER,AIR CIRCULATING,STEA | 82D35 SIZE 12 230 VOLT | 87103 |
One listed part number is shown for each NSN. Open an NSN to see all of them.