PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26426Impeller Wheel,aircraft Cooling

Defense & Development Enterprises Llc · NSN 1660-00-704-6909 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-704-6909 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-704-6909. Primary manufacturer part number: 26426.
Features
  • Impeller Wheel,aircraft Cooling — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Defense & Development Enterprises Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller Wheel,aircraft Cooling, cataloged under National Stock Number 1660-00-704-6909, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Defense & Development Enterprises Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-704-6909
Primary Part Number26426
Item NameImpeller Wheel,aircraft Cooling
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerDefense & Development Enterprises Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-990-16751244-132 INTERCHANGEABLE
Hose,preformed
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5935-01-332-066226419 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
26426 Defense & Development Enterprises Llc (USA)
26426 Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
4720-00-990-1675INTERCHANGEABLE
HOSE,PREFORMED
1244-132
5935-01-332-0662INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
26419

Frequently Asked Questions

What is NSN 1660-00-704-6909?

NSN 1660-00-704-6909 is a Impeller Wheel,aircraft Cooling, manufactured by Defense & Development Enterprises Llc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-704-6909?

NSN 1660-00-704-6909 has 2 cross-referenced part numbers: 26426 (Defense & Development Enterprises Llc), 26426 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 1660-00-704-6909?

There are 2 known substitutes for 1660-00-704-6909: 4720-00-990-1675, 5935-01-332-0662. Verify interchangeability with system specifications before substitution.

What are the specifications of 26426?

Key specifications for 26426: Special Features: ALUMN ALLOY NOT OTHERWISE SPECIFIED,4.230 IN. D IN. 1 total characteristics are documented in the Federal Logistics Information System.

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