PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8DJ43AAM9Indicator,electrical Tachometer

Ametek Inc Div Aerospace and Defense · NSN 6680-00-663-4214 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-663-4214 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-663-4214. Primary manufacturer part number: 8DJ43AAM9.
Features
  • Indicator,electrical Tachometer — FSC 6680
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
  • Mounting Stud Diameter: 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN
  • Depth: 4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN
  • Scale Marking Transparency: LUMINOUSLUMINOUS
  • Nondefinitive Spec/std Data: MS28000-1 REFERENCE NUMBERMS28000-1 REFERENCE NUMBER
  • Scale Marking: MAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION
  • Contact Type: PINPIN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-00-663-4214, 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 15 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
NSN6680-00-663-4214
Primary Part Number8DJ43AAM9
Item NameIndicator,electrical Tachometer
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusACTIVE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
Mounting Stud Diameter0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN
Depth4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN
Scale Marking TransparencyLUMINOUSLUMINOUS
Nondefinitive Spec/std DataMS28000-1 REFERENCE NUMBERMS28000-1 REFERENCE NUMBER
Scale MarkingMAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION
Contact TypePINPIN
Current TypeACAC
Height2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Width2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Contact Quantity33
Electrical Connection Quantity22
Pointer FinishLUMINOUS SINGLE POINTERLUMINOUS SINGLE POINTER
Electrical Connection Identifying NumberDESIGN NO. AND10066D-10SL-3PDESIGN NO. AND10066D-10SL-3P
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
6680-00-663-42098DJ43AAM11 INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
Cross-Reference Index
Part NumberManufacturer
8DJ43AAM9 General Electric Company (USA)
MS28000-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8DJ43AAM9 PRIMARY Ametek Inc Div Aerospace and Defense (USA)
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
6680-00-663-4209INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM11

Frequently Asked Questions

What is NSN 6680-00-663-4214?

NSN 6680-00-663-4214 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 6680-00-663-4214?

NSN 6680-00-663-4214 has 3 cross-referenced part numbers: 8DJ43AAM9 (General Electric Company), MS28000-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 8DJ43AAM9 (Ametek Inc Div Aerospace and Defense).

What NSN replaces 6680-00-663-4214?

There are 4 known substitutes for 6680-00-663-4214: 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 8DJ43AAM9?

Key specifications for 8DJ43AAM9: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S); Mounting Stud Diameter: 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN; Depth: 4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN; Scale Marking Transparency: LUMINOUSLUMINOUS. 15 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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