PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8DJ43AAM11Indicator,electrical Tachometer

Ametek Inc Div Aerospace and Defense · NSN 6680-00-663-4209 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-663-4209 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-663-4209. Primary manufacturer part number: 8DJ43AAM11.
Features
  • Indicator,electrical Tachometer — FSC 6680
  • Scale Marking: MAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION
  • Electrical Connection Identifying Number: DESIGN NO. AND10066D-10SL-3PDESIGN NO. AND10066D-10SL-3P
  • Contact Type: PINPIN
  • Scale Marking Transparency: LUMINOUSLUMINOUS
  • Mounting Stud Diameter: 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN
  • Width: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
  • Contact Quantity: 33
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-00-663-4209, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-663-4209
Primary Part Number8DJ43AAM11
Item NameIndicator,electrical Tachometer
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusACTIVE
Scale MarkingMAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION
Electrical Connection Identifying NumberDESIGN NO. AND10066D-10SL-3PDESIGN NO. AND10066D-10SL-3P
Contact TypePINPIN
Scale Marking TransparencyLUMINOUSLUMINOUS
Mounting Stud Diameter0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN
Width2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Contact Quantity33
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
Electrical Connection Quantity11
Pointer FinishLUMINOUS SINGLE POINTERLUMINOUS SINGLE POINTER
Height2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Current TypeACAC
Depth4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN
Presentation TypeSYNCHRO MOTORSYNCHRO MOTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6620-00-515-45418DJ43AAM INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
6680-00-663-42061559B4-05 INTERCHANGEABLE
Indicator,electrical Tachometer
Elbitamerica, Inc.
6620-00-663-42078DJ43AAM13 INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
6680-00-663-42148DJ43AAM9 INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
Cross-Reference Index
Part NumberManufacturer
8DJ43AAM11 General Electric Company (USA)
8DJ43AAM11 PRIMARY Ametek Inc Div Aerospace and Defense (USA)
MS28000-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6620-00-515-4541INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM
6680-00-663-4206INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
1559B4-05
6620-00-663-4207INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM13
6680-00-663-4214INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM9

Frequently Asked Questions

What is NSN 6680-00-663-4209?

NSN 6680-00-663-4209 is a Indicator,electrical Tachometer, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-663-4209?

NSN 6680-00-663-4209 has 3 cross-referenced part numbers: 8DJ43AAM11 (General Electric Company), 8DJ43AAM11 (Ametek Inc Div Aerospace and Defense), MS28000-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6680-00-663-4209?

There are 4 known substitutes for 6680-00-663-4209: 6620-00-515-4541, 6680-00-663-4206, 6620-00-663-4207 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8DJ43AAM11?

Key specifications for 8DJ43AAM11: Scale Marking: MAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION; Electrical Connection Identifying Number: DESIGN NO. AND10066D-10SL-3PDESIGN NO. AND10066D-10SL-3P; Contact Type: PINPIN; Scale Marking Transparency: LUMINOUSLUMINOUS. 14 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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