Heat Exchanger, Fluid to Fluid, Ai1660-01-425-5198

NSN 1660-01-425-5198 · NIIN 014255198 · Part number FCD54705-17

Triumph Thermal Systems, Llc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 78943

Government record, cited

NSN 1660-01-425-5198 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-425-5198. Manufacturer of record part number: FCD54705-17.

Also searched as 1660-01-425-5198 · 1660014255198 · NIIN 014255198 · 01-425-5198 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 78943 · FCD54705-17

Nearby stock numbers ← 1660-01-425-3296 Insulation Blanket, Thermal, Aircr · 1660-01-425-5352 Filter Element, Air Conditioning →

Features

Heat Exchanger,fluid to Fluid,ai — FSC 1660
Material: ALUMINUM ALLOY
1 manufacturer part number on file
Manufacturer of record: Triumph Thermal Systems, Llc

Identification

NSN: 1660-01-425-5198
NIIN: 014255198
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: FCD54705-17
Manufacturer: Triumph Thermal Systems, Llc

General Description

The Heat Exchanger,fluid to Fluid,ai, cataloged under National Stock Number 1660-01-425-5198, 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 Triumph Thermal Systems, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1660-01-425-5198
Primary Part Number	FCD54705-17
Item Name	Heat Exchanger,fluid to Fluid,ai
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Triumph Thermal Systems, Llc
Status	ACTIVE
Material	ALUMINUM ALLOY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
FCD54705-17 PRIMARY	Triumph Thermal Systems, Llc (USA)

Frequently Asked Questions

What is NSN 1660-01-425-5198?

NSN 1660-01-425-5198 is a Heat Exchanger,fluid to Fluid,ai, manufactured by Triumph Thermal Systems, Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-425-5198?

NSN 1660-01-425-5198 has 1 manufacturer part number on file: FCD54705-17 (Triumph Thermal Systems, Llc).

What are the specifications of FCD54705-17?

Key specifications for FCD54705-17: Special Features: MATERIAL HAS RUBBER COATING;HYDRAULIC FLUID COOLED BY FUEL;USED ON PHANTOM F-4; Material: ALUMINUM ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 1660-01-425-5198 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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