PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12758Gear Train Assy

Angus Electronics Co Sub of Esterline Corp · NSN 6660-00-566-4879 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-566-4879 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-566-4879. Primary manufacturer part number: 12758.
Features
  • Gear Train Assy — FSC 6660
  • 1 verified cross-reference
  • Primary manufacturer: Angus Electronics Co Sub of Esterline Corp
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Train Assy, cataloged under National Stock Number 6660-00-566-4879, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Angus Electronics Co Sub of Esterline Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear Train Assy
FSC / FSG6660 — No Item Name Available (FSG 66)
ManufacturersAngus Electronics Co Sub of Esterline Corp (CAGE 72264)
Technical Specifications
ParameterValue
NSN6660-00-566-4879
Primary Part Number12758
Item NameGear Train Assy
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerAngus Electronics Co Sub of Esterline Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2915-00-303-288412758 INTERCHANGEABLE
Cap,retainer,relief
Triumph Engine Control Systems Llc
5962-00-433-435012758 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5325-00-978-1425751-532-001-603 INTERCHANGEABLE
Grommet,nonmetallic
Roanwell, Llc
5950-01-096-580112758 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
2530-01-287-445112758 INTERCHANGEABLE
Brake,shoe Type
Silver Eagle Manufacturing Co
4130-01-498-6340 INTERCHANGEABLE
Duct Adapter Kit,air Conditioner
5950-01-520-516512758 INTERCHANGEABLE
Reactor
Pico Electronics Inc
1005-01-632-297512758 INTERCHANGEABLE
Sear
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
5340-01-640-798812758 INTERCHANGEABLE
Lever,manual Control
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
12758 Angus Electronics Co Sub of Esterline Corp (USA)
Related Parts
2915-00-303-2884INTERCHANGEABLE
CAP,RETAINER,RELIEF
12758
5962-00-433-4350INTERCHANGEABLE
MICROCIRCUIT,LINEAR
12758
5325-00-978-1425INTERCHANGEABLE
GROMMET,NONMETALLIC
751-532-001-603
5950-01-096-5801INTERCHANGEABLE
TRANSFORMER,POWER
12758
2530-01-287-4451INTERCHANGEABLE
BRAKE,SHOE TYPE
12758
4130-01-498-6340INTERCHANGEABLE
DUCT ADAPTER KIT,AIR CONDITIONER
5950-01-520-5165INTERCHANGEABLE
REACTOR
12758
1005-01-632-2975INTERCHANGEABLE
SEAR
12758
5340-01-640-7988INTERCHANGEABLE
LEVER,MANUAL CONTROL
12758

Frequently Asked Questions

What is NSN 6660-00-566-4879?

NSN 6660-00-566-4879 is a Gear Train Assy, manufactured by Angus Electronics Co Sub of Esterline Corp, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-566-4879?

NSN 6660-00-566-4879 has 1 cross-referenced part number: 12758 (Angus Electronics Co Sub of Esterline Corp).

What NSN replaces 6660-00-566-4879?

There are 9 known substitutes for 6660-00-566-4879: 2915-00-303-2884, 5962-00-433-4350, 5325-00-978-1425 and 6 more. Verify interchangeability with system specifications before substitution.

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