PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202120Turbine,aircraft Cooling

Honeywell International, Inc Div Aerospace-Tucson · NSN 1660-00-564-6488 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-564-6488 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-564-6488. Primary manufacturer part number: 202120.
Features
  • Turbine,aircraft Cooling — FSC 1660
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International, Inc Div Aerospace-Tucson
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Turbine,aircraft Cooling, cataloged under National Stock Number 1660-00-564-6488, 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-Tucson. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTurbine,aircraft Cooling
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersHoneywell International, Inc Div Aerospace-Tucson (CAGE 64547); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Alliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599)
Technical Specifications
ParameterValue
NSN1660-00-564-6488
Primary Part Number202120
Item NameTurbine,aircraft Cooling
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5920-00-309-033886109-11 INTERCHANGEABLE
Arrester,electrical Surge
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5331-00-514-5899 INTERCHANGEABLE
O-Ring
5905-01-033-787605BF6261 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Es Beta, Inc Dba Betatronix Div Betatronix
4820-01-428-1801202120 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
5935-01-645-3545202120 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Dba Amphenol Connex
Cross-Reference Index
Part NumberManufacturer
202120 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
202120 Honeywell International Inc. Div Aerospace - Torrance (USA)
202120 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
Related Parts
5920-00-309-0338INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
86109-11
5331-00-514-5899INTERCHANGEABLE
O-RING
5905-01-033-7876INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
05BF6261
4820-01-428-1801INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
202120
5935-01-645-3545INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
202120

Frequently Asked Questions

What is NSN 1660-00-564-6488?

NSN 1660-00-564-6488 is a Turbine,aircraft Cooling, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-564-6488?

NSN 1660-00-564-6488 has 3 cross-referenced part numbers: 202120 (Honeywell International, Inc Div Aerospace-Tucson), 202120 (Honeywell International Inc. Div Aerospace - Torrance), 202120 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).

What NSN replaces 1660-00-564-6488?

There are 5 known substitutes for 1660-00-564-6488: 5920-00-309-0338, 5331-00-514-5899, 5905-01-033-7876 and 2 more. Verify interchangeability with system specifications before substitution.

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