PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203387Turbine Wheel,aircraft Cooling T

Honeywell International Inc. Div Aerospace - Torrance · NSN 1660-00-956-0124 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-956-0124 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-956-0124. Primary manufacturer part number: 203387.
Features
  • Turbine Wheel,aircraft Cooling T — FSC 1660
  • 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 Wheel,aircraft Cooling T, cataloged under National Stock Number 1660-00-956-0124, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-956-0124
Primary Part Number203387
Item NameTurbine Wheel,aircraft Cooling T
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2520-00-615-6132203387 INTERCHANGEABLE
Carrier
Clark Material Handling Company
2805-00-754-0052203387 INTERCHANGEABLE
Pin Assy,connecting
Renk America Llc Div Renk America
4920-00-997-0421 INTERCHANGEABLE
Cable Assy,test Set
Cross-Reference Index
Part NumberManufacturer
203387 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
203387 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
2520-00-615-6132INTERCHANGEABLE
CARRIER
203387
2805-00-754-0052INTERCHANGEABLE
PIN ASSY,CONNECTING
203387
4920-00-997-0421INTERCHANGEABLE
CABLE ASSY,TEST SET

Frequently Asked Questions

What is NSN 1660-00-956-0124?

NSN 1660-00-956-0124 is a Turbine Wheel,aircraft Cooling T, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-956-0124?

NSN 1660-00-956-0124 has 2 cross-referenced part numbers: 203387 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 203387 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 1660-00-956-0124?

There are 3 known substitutes for 1660-00-956-0124: 2520-00-615-6132, 2805-00-754-0052, 4920-00-997-0421. Verify interchangeability with system specifications before substitution.

What are the specifications of 203387?

Key specifications for 203387: Special Features: MADE FROM 202707-3 OR 203166 FORGING; 3.935 IN. MIN TO 3.945 IN. MAX OD; 0.576 IN. MIN TO 0.579 IN. MAX THICK; 13 BLADES EQUALLY SPACED; 0.4724 IN. MIN TO 0.4726 IN. MAX DIA BORE COUNTERSUNK 60.0 DEG TO 0.490 IN. MIN TO 0.510 IN. MAX DIA; DYNAMIC BALANCE WITHIN 0.096 GRAM IN. G. 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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