The Cooling Coil,air,duct Type, cataloged under National Stock Number 4130-01-224-6433, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-224-6433 |
| Primary Part Number | 4W6-20-5611T |
| Item Name | Cooling Coil,air,duct Type |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4W6-20-5611T PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| 1115-01-D | C/1 Advisory reference — outside the item-of-supply concept Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4130-01-224-6433 is a Cooling Coil,air,duct Type, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-224-6433 has 1 manufacturer part number on file: 4W6-20-5611T (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 4W6-20-5611T: Special Features: 5/8 IN. OD COPPER TUBES,FOUR TUBE ROWS,6 TUBES PER ROW; COPPER CORRUGATED FINS SPACED 11 FINS PER INCH,20 IN. O/A FINNED LG IN; End Item Identification: NUCLEAR COOLING,INC,FAN-COIL UNIT MODEL FCU H3. 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.
NSN 4130-01-224-6433 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.