The Cooling Coil,air,duct Type, cataloged under National Stock Number 4130-01-426-0422, 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 The Boeing Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4130-01-426-0422 |
| Primary Part Number | 7-511A21512-1 |
| Item Name | Cooling Coil,air,duct Type |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Shape | HORIZONTAL RECTANGULAR |
| Coil Construction/arrangement Type | FINNED SURFACE |
| Coil Refrigerant Type for Which Designed | AIR |
| 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 |
|---|---|
| 7-511A21512-1 | Triumph Engine Control Systems Llc (USA) |
| 7-511A21512-1 PRIMARY | The Boeing Company (USA) |
| 7-511A21512 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| E131012000 | 5/9 Secondary reference Triumph Thermal Systems - Maryland, Inc. |
NSN 4130-01-426-0422 is a Cooling Coil,air,duct Type, manufactured by The Boeing Company, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-426-0422 has 3 manufacturer part numbers on file: 7-511A21512-1 (Triumph Engine Control Systems Llc), 7-511A21512-1 (The Boeing Company), 7-511A21512 (The Boeing Company).
Key specifications for 7-511A21512-1: Overall Length: 8.025 INCHES IN; Shape: HORIZONTAL RECTANGULAR; Coil Construction/arrangement Type: FINNED SURFACE; Overall Width: 2.000 INCHES IN. 3 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 4130-01-426-0422 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.