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 1-100 of 20,345.

NSNItem namePart numberCAGE
4520-01-461-3553ACCESS. TANKS-PUMPSBUILDING#2 CL.LOOP HOT WATER SY1HVH0
4520-01-461-3554ACCESS. TANKS-PUMPSBUILDING#2 POTABLE HOT WATER SER1HVH0
4520-01-461-3556ACCESS. TANKS-PUMPSBUILDING#3 CL.LOOP HOT WATER SYS1HVH0
4520-01-461-3558ACCESS. TANKS-PUMPSBUILDING#3 POTABLE HOT WATER SER1HVH0
4520-01-461-3559ACCESS. TANKS-PUMPSBUILDING#4 CL.LOOP HOT WATER SYS1HVH0
4520-01-461-3561ACCESS. TANKS-PUMPSBUILDING#4 POTABLE HOT WATER SER1HVH0
4520-01-461-3562ACCESS. TANKS-PUMPSBUILDING#5 CL.LOOP HOT WATER SY1HVH0
4520-01-461-3563ACCESS. TANKS-PUMPSBUILDING#5 POTABLE HOT WATER SE1HVH0
4520-01-461-3536ACCESS.TANKS-PUMPSBUILDING#1 CL.LOOP HOT WATER SY1HVH0
4520-01-461-3551ACCESS.TANKS-PUMPSBUILDING#1 POTABLE HOT WATER SE1HVH0
4520-01-200-3168ACCESSORY KIT,OIL BURNER5400-016-0271550
4520-01-376-7724ACTUATOR DAMPER,PNEUMATICMP918B100617479
4520-01-563-5985ACTUATOR,DAMPER,PNEUM273-PDA1971W3
4520-01-534-6518ACTUATOR,FLUEDAMPERAFB24-SR33YN6
4520-01-027-4379ACTUATOR,PNEUMATIC,LINEAR,DAMPER
4520-01-021-1608ACTUATOR,STEAM BOILERV4055A1098-127319
4520-01-042-7892ADAPTER789-7543-00113499
4520-01-184-8042ADAPTER ASSY BLOWER581959-13B150
4520-01-521-3115ADAPTER,AIR CONDIT90006A025501365
4520-00-063-4178ADAPTER,AIR CONDITIONING-HEATING101118229147
4520-00-107-4697ADAPTER,AIR CONDITIONING-HEATING209-070-475-597499
4520-00-133-5793ADAPTER,AIR CONDITIONING-HEATING917757918876
4520-00-139-4098ADAPTER,AIR CONDITIONING-HEATING715407-105869
4520-00-343-0986ADAPTER,AIR CONDITIONING-HEATING7706800P103538
4520-00-604-1671ADAPTER,AIR CONDITIONING-HEATINGF7126181205
4520-00-708-8051ADAPTER,AIR CONDITIONING-HEATING216-01482-180378
4520-00-712-8513ADAPTER,AIR CONDITIONING-HEATING916965718876
4520-00-736-1007ADAPTER,AIR CONDITIONING-HEATING204-070-177-197499
4520-00-753-7537ADAPTER,AIR CONDITIONING-HEATINGG48432578385
4520-01-003-1458ADAPTER,AIR CONDITIONING-HEATINGTDF30125RQL2
4520-01-029-5166ADAPTER,AIR CONDITIONING-HEATINGSQR12X12X1209098
4520-01-031-1755ADAPTER,AIR CONDITIONING-HEATINGSQR24X24X2409098
4520-01-036-8176ADAPTER,AIR CONDITIONING-HEATINGSQR6X6X6IN09098
4520-01-038-4461ADAPTER,AIR CONDITIONING-HEATINGSQR6X12X6INCH09098
4520-01-040-0629ADAPTER,AIR CONDITIONING-HEATINGSQR6X12X8IN09098
4520-01-056-3025ADAPTER,AIR CONDITIONING-HEATINGSQR27X40X2409098
4520-01-108-9127ADAPTER,AIR CONDITIONING-HEATING795107319207
4520-01-128-5547ADAPTER,AIR CONDITIONING-HEATING1225572419207
4520-01-130-3479ADAPTER,AIR CONDITIONING-HEATING2120963-00165823
4520-01-146-4620ADAPTER,AIR CONDITIONING-HEATINGSQR-34X20X24X12IN LG09098
4520-01-146-7965ADAPTER,AIR CONDITIONING-HEATINGSQR-36X27X24X12IN LG09098
4520-01-161-2767ADAPTER,AIR CONDITIONING-HEATINGSQR-24X24X18X12IN09098
4520-01-162-2823ADAPTER,AIR CONDITIONING-HEATINGSQR-34X20X18X12IN09098
4520-01-163-1218ADAPTER,AIR CONDITIONING-HEATINGSQR-36X27X18X12IN09098
4520-01-167-4479ADAPTER,AIR CONDITIONING-HEATINGSQR-20X20X14X1209098
4520-01-167-4480ADAPTER,AIR CONDITIONING-HEATINGSQR-23X15.5X14X1209098
4520-01-167-4481ADAPTER,AIR CONDITIONING-HEATINGSQR-24X14X14X1209098
4520-01-168-6457ADAPTER,AIR CONDITIONING-HEATINGSQR-20X49X20X1209098
4520-01-169-0629ADAPTER,AIR CONDITIONING-HEATINGSQR-24X24X20X1209098
4520-01-169-0630ADAPTER,AIR CONDITIONING-HEATINGSQR-26X51X20X1209098
4520-01-192-6073ADAPTER,AIR CONDITIONING-HEATING58623099688
4520-01-195-7770ADAPTER,AIR CONDITIONING-HEATING406-961-700-13197499
4520-01-211-2324ADAPTER,AIR CONDITIONING-HEATINGSQR-A8 D10 V12 S3 RECT BEAD6IN09098
4520-01-219-3301ADAPTER,AIR CONDITIONING-HEATINGSQR-25INX10IN09098
4520-01-219-5717ADAPTER,AIR CONDITIONING-HEATINGSQR-20IN09098
4520-01-223-3393ADAPTER,AIR CONDITIONING-HEATING11617266-219207
4520-01-242-8048ADAPTER,AIR CONDITIONING-HEATING40E34557
4520-01-257-0348ADAPTER,AIR CONDITIONING-HEATING22740-353655
4520-01-260-8343ADAPTER,AIR CONDITIONING-HEATING6990092878
4520-01-277-5418ADAPTER,AIR CONDITIONING-HEATING50411056642
4520-01-301-8332ADAPTER,AIR CONDITIONING-HEATING4883C47G0118323
4520-01-305-2360ADAPTER,AIR CONDITIONING-HEATING400-16053-181205
4520-01-306-2101ADAPTER,AIR CONDITIONING-HEATING766R569H0197942
4520-01-307-9492ADAPTER,AIR CONDITIONING-HEATING700-01107096
4520-01-315-7724ADAPTER,AIR CONDITIONING-HEATING751-4046-00195105
4520-01-316-0200ADAPTER,AIR CONDITIONING-HEATING1235896180212
4520-01-317-8284ADAPTER,AIR CONDITIONING-HEATING130545-124930
4520-01-317-8285ADAPTER,AIR CONDITIONING-HEATING130537-124930
4520-01-317-8286ADAPTER,AIR CONDITIONING-HEATING130535-124930
4520-01-328-0047ADAPTER,AIR CONDITIONING-HEATING717780312-00904939
4520-01-336-0452ADAPTER,AIR CONDITIONING-HEATING580603453711
4520-01-345-8937ADAPTER,AIR CONDITIONING-HEATING82A5050A030201365
4520-01-345-8938ADAPTER,AIR CONDITIONING-HEATING82A5050A033901365
4520-01-376-2738ADAPTER,AIR CONDITIONING-HEATING5750071-00350079
4520-01-389-0305ADAPTER,AIR CONDITIONING-HEATING4-541052-0208748
4520-01-400-0541ADAPTER,AIR CONDITIONING-HEATING1243896519207
4520-01-406-0340ADAPTER,AIR CONDITIONING-HEATING1238481919207
4520-01-412-7956ADAPTER,AIR CONDITIONING-HEATING8650-02270998
4520-01-413-8879ADAPTER,AIR CONDITIONING-HEATING13229E861797403
4520-01-416-6760ADAPTER,AIR CONDITIONING-HEATING89-2751892-167032
4520-01-422-3996ADAPTER,AIR CONDITIONING-HEATING204-19869-181205
4520-01-439-3013ADAPTER,AIR CONDITIONING-HEATING2097-1159579
4520-01-467-4960ADAPTER,AIR CONDITIONING-HEATING17P2N4182-50588277
4520-01-490-4680ADAPTER,AIR CONDITIONING-HEATINGTCF3264-1005RQL2
4520-01-490-4681ADAPTER,AIR CONDITIONING-HEATINGTCF3235-1005RQL2
4520-01-504-8269ADAPTER,AIR CONDITIONING-HEATING18D4432-196916
4520-01-515-4187ADAPTER,AIR CONDITIONING-HEATING90006A025401365
4520-01-518-1286ADAPTER,AIR CONDITIONING-HEATINGRD-5-4487-062534
4520-01-521-3131ADAPTER,AIR CONDITIONING-HEATING90006A033901365
4520-01-521-3145ADAPTER,AIR CONDITIONING-HEATING90006A030201365
4520-01-526-5007ADAPTER,AIR CONDITIONING-HEATING123EC51311-526512
4520-01-526-5018ADAPTER,AIR CONDITIONING-HEATING123EC51310-770974
4520-01-529-4186ADAPTER,AIR CONDITIONING-HEATING1916511284
4520-01-530-6208ADAPTER,AIR CONDITIONING-HEATINGRD-5-6677-2P62534
4520-01-548-6392ADAPTER,AIR CONDITIONING-HEATINGA329833805869
4520-01-548-8422ADAPTER,AIR CONDITIONING-HEATINGA329733605869
4520-01-573-5314ADAPTER,AIR CONDITIONING-HEATINGA329833680063
4520-01-579-2595ADAPTER,AIR CONDITIONING-HEATINGRG1045-370L1E5
4520-01-579-2596ADAPTER,AIR CONDITIONING-HEATINGRG1042-6572661
4520-01-580-0143ADAPTER,AIR CONDITIONING-HEATINGRG1045-380L1E5

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