PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

663123Spring,helical Comp

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 1650-00-221-4303 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-221-4303 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-221-4303. Primary manufacturer part number: 663123.
Features
  • Spring,helical Comp — FSC 1650
  • 4 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical Comp, cataloged under National Stock Number 1650-00-221-4303, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring,helical Comp
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364); Alliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (CAGE 99193)
Technical Specifications
ParameterValue
NSN1650-00-221-4303
Primary Part Number663123
Item NameSpring,helical Comp
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1650-00-260-6850 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Cross-Reference Index
Part NumberManufacturer
663123 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
663123 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
663123 Honeywell International Inc. Div Aerospace - Torrance (USA)
663123 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
1650-00-260-6850INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE

Frequently Asked Questions

What is NSN 1650-00-221-4303?

NSN 1650-00-221-4303 is a Spring,helical Comp, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-221-4303?

NSN 1650-00-221-4303 has 4 cross-referenced part numbers: 663123 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 663123 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 663123 (Honeywell International Inc. Div Aerospace - Torrance), 663123 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 1650-00-221-4303?

There is 1 known substitute for 1650-00-221-4303: 1650-00-260-6850. Verify interchangeability with system specifications before substitution.

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