PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203720-1Turbine,aircraft Cooling

Honeywell International Inc. Div Aerospace - Torrance · NSN 1660-00-897-4306 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-897-4306 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-897-4306. Primary manufacturer part number: 203720-1.
Features
  • Turbine,aircraft Cooling — FSC 1660
  • General Characteristics Item Description: APPOX O/A DIMS 7.620 IN. LG,7.020 IN.W,6.460 IN. H IN
  • FSC Application Data: ACFT AIR CONDITIONING SYSTEM
  • Reference Data and Literature: T.O.15A3-2-40-4
  • 2 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Turbine,aircraft Cooling, cataloged under National Stock Number 1660-00-897-4306, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1660-00-897-4306
Primary Part Number203720-1
Item NameTurbine,aircraft Cooling
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusCANCELLED
General Characteristics Item DescriptionAPPOX O/A DIMS 7.620 IN. LG,7.020 IN.W,6.460 IN. H IN
FSC Application DataACFT AIR CONDITIONING SYSTEM
Reference Data and LiteratureT.O.15A3-2-40-4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5930-00-197-4216721891-1 INTERCHANGEABLE
Switch,push
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
203720-1 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
1660PL2073760 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5930-00-197-4216INTERCHANGEABLE
SWITCH,PUSH
721891-1

Frequently Asked Questions

What is NSN 1660-00-897-4306?

NSN 1660-00-897-4306 is a Turbine,aircraft Cooling, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-897-4306?

NSN 1660-00-897-4306 has 2 cross-referenced part numbers: 203720-1 (Honeywell International Inc. Div Aerospace - Torrance), 1660PL2073760 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 1660-00-897-4306?

There is 1 known substitute for 1660-00-897-4306: 5930-00-197-4216. Verify interchangeability with system specifications before substitution.

What are the specifications of 203720-1?

Key specifications for 203720-1: General Characteristics Item Description: APPOX O/A DIMS 7.620 IN. LG,7.020 IN.W,6.460 IN. H IN; FSC Application Data: ACFT AIR CONDITIONING SYSTEM; Reference Data and Literature: T.O.15A3-2-40-4. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1660-00-897-4306 still in active supply?

NSN 1660-00-897-4306 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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