The Heat Exchanger,fluid to Air, cataloged under National Stock Number 1660-01-495-3692, 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 Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-495-3692 |
| Primary Part Number | 123SCEC5170-13 |
| Item Name | Heat Exchanger,fluid to Air |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2341320-1-1 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 123SCEC5170-13 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123SCEC5170-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1660-01-495-3692 is a Heat Exchanger,fluid to Air, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-495-3692 has 2 manufacturer part numbers on file: 2341320-1-1 (Honeywell International Inc. Div Aerospace - Torrance), 123SCEC5170-13 (Northrop Grumman Systems Corporation).
Key specifications for 123SCEC5170-13: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: (INAVY)EVAP HEAT EXCHANGER; End Item Identification: EVAPORATOR UNIT; E-2C HAWKEYE 2000 AIRCRAFT. 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.
NSN 1660-01-495-3692 has DEMIL Code D. 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.