The Heat Exchanger,fluid to Fluid,ai, cataloged under National Stock Number 1660-01-470-0041, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Fluid Handling Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-470-0041 |
| Primary Part Number | 5-149-04-048-001 |
| Item Name | Heat Exchanger,fluid to Fluid,ai |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Material | STEEL AND ZINC AND TIN AND 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 |
|---|---|
| 5-149-04-048-001 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-149-04-048-001 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 1660-01-470-0041 is a Heat Exchanger,fluid to Fluid,ai, manufactured by Fluid Handling Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-470-0041 has 1 manufacturer part number on file: 5-149-04-048-001 (Fluid Handling Llc).
Key specifications for 5-149-04-048-001: Overall Height: 6.625 INCHES NOMINAL IN; Overall Length: 51.625 INCHES NOMINAL IN; Overall Width: 5.875 INCHES NOMINAL IN; Special Features: WATER TO WATER HEAT EXCHANGER; SHELLSIDE DP: 300 PSI; SHELLSIDE TP: 350 PSI; TUBESIDE DP: 150 PSI; TUBESIDE TP: 225 PSI. 1 specification is 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.