The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-00-600-5437, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-00-600-5437 |
| Primary Part Number | 209-4510945E1 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace |
| Status | ACTIVE |
| Core Width | 7.062 INCHES NOMINAL IN |
| Heat Transfer Method | INDIRECT |
| Style Designator | FINNED PLATE, RECTANGULAR |
| Core Length | 88.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 209-4510945E1 PRIMARY | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| D884N2 | 3/2 Design control — primary reference U.S. Government activity |
| MMC40E2 | 5/2 Secondary reference U.S. Government activity |
| D884N | D/9 Drawing number reference only U.S. Government activity |
| S9700-C-3124822 | D/9 Drawing number reference only U.S. Government activity |
NSN 4420-00-600-5437 is a Core Assembly,fluid Cooler, manufactured by Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-600-5437 has 1 manufacturer part number on file: 209-4510945E1 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace).
Key specifications for 209-4510945E1: Core Width: 7.062 INCHES NOMINAL IN; Heat Transfer Method: INDIRECT; Style Designator: FINNED PLATE, RECTANGULAR; Core Length: 88.000 INCHES NOMINAL IN. 4 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 4420-00-600-5437 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.