The Cooling Coil,air,duct Type, cataloged under National Stock Number 4130-01-399-8137, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-399-8137 |
| Primary Part Number | 51-001-125 |
| 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 |
| Tube Material | COPPER |
| Fin Material | COPPER |
| 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 |
|---|---|
| 51-001-125 PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| 1024-01-D | 5/9 Secondary reference Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4130-01-399-8137 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 4130-01-399-8137 has 1 manufacturer part number on file: 51-001-125 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-494-1422. Verify interchangeability with system specifications before substitution.
Key specifications for 51-001-125: Tube Material: COPPER; Fin Material: COPPER. 2 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.