Home / Supply classes / FSG 45 / FSC 4520
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 12,501-12,600 of 20,345.

NSNItem namePart numberCAGE
4520-01-334-9381REDUCER,AIR CONDITIONING-HEATING13229E866197403
4520-01-349-9155REDUCER,AIR CONDITIONING-HEATING87023A003104DG4
4520-01-376-1204REDUCER,AIR CONDITIONING-HEATING5750004-10350079
4520-01-389-0496REDUCER,AIR CONDITIONING-HEATINGSRHR 14-1209098
4520-01-390-1079REDUCER,AIR CONDITIONING-HEATINGSRHR 1 PIECE 18X16IN09098
4520-01-391-3248REDUCER,AIR CONDITIONING-HEATINGSRHQR-12 20"/20" TO 20"009098
4520-01-408-1528REDUCER,AIR CONDITIONING-HEATING1243890419207
4520-01-410-8114REDUCER,AIR CONDITIONING-HEATING1236440106085
4520-01-417-4916REDUCER,AIR CONDITIONING-HEATING
4520-01-467-2042REDUCER,AIR CONDITIONING-HEATINGAF-128J58501
4520-01-492-5865REDUCER,AIR CONDITIONING-HEATINGMP909E138017479
4520-01-571-3964REDUCER,AIR CONDITIONING-HEATING118-W131270292
4520-01-661-8970REDUCER,AIR CONDITIONING-HEATING407899075Q65
4520-01-668-5335REDUCER,AIR CONDITIONING-HEATING
4520-00-576-8041REDUCER,DUCT FITTING
4520-00-237-5261REDUCER,FLUE PIPE6X4BTR34557
4520-01-423-4862REFLECTOR BACKDFMH-617032
4520-01-626-1878REGISTER SUPPLYC1LMW12X1351SZ6
4520-01-626-1879REGISTER SUPPLY6145H01ZU8
4520-00-077-6507REGISTER,AIR222DDHEMH04943
4520-00-112-0208REGISTER,AIR24 8W67085
4520-00-419-9145REGISTER,AIRSM-D-59352280063
4520-00-442-3822REGISTER,AIRS126-222DDHEMH04943
4520-00-488-8446REGISTER,AIRT64761197
4520-00-587-0990REGISTER,AIRS2H004943
4520-01-028-0641REGISTER,AIR80V0BD-8X630818
4520-01-047-5970REGISTER,AIR66173092
4520-01-148-6977REGISTER,AIRA77C 24X12 IN61197
4520-01-184-4646REGISTER,AIR2000-274-0471550
4520-01-199-1212REGISTER,AIR4S1519-12803481
4520-01-230-6832REGISTER,AIRN-D-40641 PC1231923
4520-01-238-1837REGISTER,AIR7235470334
4520-01-241-5592REGISTER,AIR7235070334
4520-01-247-3276REGISTER,AIR25OR-S2-F5 10.00X6.0063329
4520-01-254-5006REGISTER,AIR250F5-18.00X12.0063329
4520-01-254-7559REGISTER,AIR250R-S1-F5-12.00X12.0063329
4520-01-261-4061REGISTER,AIR25OR-L2-F5 18.00X12.0063329
4520-01-261-5460REGISTER,AIR1230973092
4520-01-261-9811REGISTER,AIR8211612W67085
4520-01-262-3365REGISTER,AIR5749067-070REV F53711
4520-01-278-9930REGISTER,AIRSMC-102-7753146
4520-01-280-4331REGISTER,AIRSNTV1024000-0278E441
4520-01-307-3320REGISTER,AIRD9959-7-1B1LCX3
4520-01-334-3928REGISTER,AIR20965806481
4520-01-338-7636REGISTER,AIR378-2044-0080009
4520-01-359-5755REGISTER,AIRAIRMATE-1600P692
4520-01-367-6184REGISTER,AIR90013A620601365
4520-01-371-9091REGISTER,AIR226104577PZX0
4520-01-379-4595REGISTER,AIR1988K2939428
4520-01-389-6290REGISTER,AIR950/14X87G933
4520-01-406-2297REGISTER,AIR1339AS671-130003
4520-01-421-5142REGISTER,AIR70-0471254786
4520-01-422-4636REGISTER,AIR106-119126-06565586
4520-01-436-9757REGISTER,AIRBACD40F581205
4520-01-439-2305REGISTER,AIRAIR MATE 220V 14X140P692
4520-01-460-7009REGISTER,AIRLSCP39000101417
4520-01-483-5032REGISTER,AIR21655910237
4520-01-483-5112REGISTER,AIR21656010237
4520-01-500-4988REGISTER,AIR3CC250BL49
4520-01-504-9528REGISTER,AIR512-706724453711
4520-01-504-9905REGISTER,AIR512-7067212-F853711
4520-01-504-9944REGISTER,AIR512-7067212-F1353711
4520-01-504-9992REGISTER,AIRH643-1520-F1696169
4520-01-504-9997REGISTER,AIR512-7067212-F2453711
4520-01-505-0000REGISTER,AIR512-7067212-F3353711
4520-01-505-0009REGISTER,AIR512-7067232-F11153711
4520-01-505-0140REGISTER,AIR21808777096169
4520-01-505-0149REGISTER,AIR512-7067244-F4353711
4520-01-505-0178REGISTER,AIR512-7067258-F19453711
4520-01-505-0182REGISTER,AIR512-7067284-F653711
4520-01-505-0183REGISTER,AIR512-7067286-F1853711
4520-01-505-0185REGISTER,AIR512-7067294-F1153711
4520-01-505-0217REGISTER,AIR512-7067220-F553711
4520-01-505-0219REGISTER,AIR512-7067208-F353711
4520-01-505-0220REGISTER,AIR512-7067208-F453711
4520-01-505-0223REGISTER,AIRRCV-SV0606-40AP7E417
4520-01-505-0228REGISTER,AIR512-7067210-F1653711
4520-01-505-0238REGISTER,AIR6397309 PC D4-B1-6X1253711
4520-01-505-0244REGISTER,AIR512-6985458-F2753711
4520-01-505-0252REGISTER,AIR512-6985466-F4553711
4520-01-505-0256REGISTER,AIR512-6985470-F4453711
4520-01-505-0258REGISTER,AIR512-7067222-F1853711
4520-01-505-0287REGISTER,AIR512-7067222-F2053711
4520-01-505-0291REGISTER,AIR512-7067222-F3853711
4520-01-505-0293REGISTER,AIR512-7067222-F5553711
4520-01-505-0296REGISTER,AIR512-7067204-F1253711
4520-01-505-0301REGISTER,AIR512-7067204-F2253711
4520-01-505-0337REGISTER,AIR512-7067204-F4153711
4520-01-505-0466REGISTER,AIR512-6985458-F2353711
4520-01-505-0468REGISTER,AIR512-6985472-F3653711
4520-01-505-0477REGISTER,AIR512-6985464-F2653711
4520-01-506-0145REGISTER,AIRRST-100 2 IN.1YLM0
4520-01-515-0416REGISTER,AIR90006V000501365
4520-01-515-4194REGISTER,AIRMSV204X4-BAL-20"X0M1A0
4520-01-518-2627REGISTER,AIR955390-1033P104
4520-01-525-5742REGISTER,AIR514-0-257-165RQL2
4520-01-525-6619REGISTER,AIR542-0-06-425RQL2
4520-01-533-0616REGISTER,AIRRD-5-5222-OP62534
4520-01-533-0619REGISTER,AIRRD-5-5223-062534
4520-01-539-8700REGISTER,AIR040512534895

One listed part number is shown for each NSN. Open an NSN to see all of them.