PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GS4644Tachometer

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 6680-00-203-2218 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-203-2218 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-203-2218. Primary manufacturer part number: GS4644.
Features
  • Tachometer — FSC 6680
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tachometer, cataloged under National Stock Number 6680-00-203-2218, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTachometer
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersHamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); Xo Technologies Inc (CAGE 05133)
Technical Specifications
ParameterValue
NSN6680-00-203-2218
Primary Part NumberGS4644
Item NameTachometer
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-203-6894 INTERCHANGEABLE
Blade,power Hacksaw
1040-00-936-928554A50C133 INTERCHANGEABLE
Cable Assy,tank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-01-081-620222043-1 INTERCHANGEABLE
Bearing,sleeve
Breeze-Eastern Llc
5950-01-089-4364240-0957-070 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3020-01-446-3770154-3772 INTERCHANGEABLE
Gear,spur
R R Transmissions Inc
6515-01-593-802202.114.514 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
GS4644 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
2-2043 Xo Technologies Inc (USA)
Related Parts
3455-00-203-6894INTERCHANGEABLE
BLADE,POWER HACKSAW
1040-00-936-9285INTERCHANGEABLE
CABLE ASSY,TANK
54A50C133
3120-01-081-6202INTERCHANGEABLE
BEARING,SLEEVE
22043-1
5950-01-089-4364INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-0957-070
3020-01-446-3770INTERCHANGEABLE
GEAR,SPUR
154-3772
6515-01-593-8022INTERCHANGEABLE
BONE PLATE
02.114.514

Frequently Asked Questions

What is NSN 6680-00-203-2218?

NSN 6680-00-203-2218 is a Tachometer, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-203-2218?

NSN 6680-00-203-2218 has 2 cross-referenced part numbers: GS4644 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 2-2043 (Xo Technologies Inc).

What NSN replaces 6680-00-203-2218?

There are 6 known substitutes for 6680-00-203-2218: 3455-00-203-6894, 1040-00-936-9285, 3120-01-081-6202 and 3 more. Verify interchangeability with system specifications before substitution.

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