The Heater Assembly, cataloged under National Stock Number 4520-01-583-6750, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-583-6750 |
| Primary Part Number | 1116-02-D |
| Item Name | Heater Assembly |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1116-00-D FIND NO 5 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 1116-02-D PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
NSN 4520-01-583-6750 is a Heater Assembly, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-583-6750 has 2 manufacturer part numbers on file: 1116-00-D FIND NO 5 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 1116-02-D (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 1116-02-D: Special Features: ITEM NO. 5 OFFERS 3 OPTIONS EACH OPTION HAS A QTY OF 3 HEATERS WITH DIFFERENT WATT RATINGS; ITEMS WITHOUT HEAT WILL NOT CONTAIN ITEM NO. 5; LVP W/O HEAT - ITEM 5 QTY IS ZERO; LVR W/O HEAT -ITEM 5 QTY IS ZERO; Part Name Assigned by Controlling Agency: HEATER ASSEMBLY; End Item Identification: FAN COIL UNIT FCU V5 2.0 KW LVR RH. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.