PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8DJ43AAM13Indicator,electrical Tachometer

Ametek Inc Div Aerospace and Defense · NSN 6620-00-663-4207 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-663-4207 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-663-4207. Primary manufacturer part number: 8DJ43AAM13.
Features
  • Indicator,electrical Tachometer — FSC 6620
  • Scale Marking: MINOR GRADUATION AND MINOR GRADUATION AND MAJOR GRADUATIONMAJOR GRADUATION
  • Mounting Stud Diameter: 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN
  • Scale Marking Transparency: LUMINOUSLUMINOUS
  • Width: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
  • Pointer Finish: LUMINOUS SINGLE POINTERLUMINOUS SINGLE POINTER
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
  • Presentation Type: SYNCHRO MOTORSYNCHRO MOTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-663-4207, is classified within Federal Supply Class 6620 (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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6620-00-663-4207
Primary Part Number8DJ43AAM13
Item NameIndicator,electrical Tachometer
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusCANCELLED
Scale MarkingMINOR GRADUATION AND MINOR GRADUATION AND MAJOR GRADUATIONMAJOR GRADUATION
Mounting Stud Diameter0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN
Scale Marking TransparencyLUMINOUSLUMINOUS
Width2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Pointer FinishLUMINOUS SINGLE POINTERLUMINOUS SINGLE POINTER
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
Presentation TypeSYNCHRO MOTORSYNCHRO MOTOR
Electrical Connection Identifying NumberDESIGN NO. AND10066D-10SL-3PDESIGN NO. AND10066D-10SL-3P
Current TypeACAC
Depth4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN
Contact Quantity33
Electrical Connection Quantity11
Height2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Contact TypePINPIN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
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.
6680-00-663-42098DJ43AAM11 INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
6680-00-663-42148DJ43AAM9 INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
6620-01-063-9636367705 INTERCHANGEABLE
Indicator,electrical Tachometer
Cec Vibration Products, Llc Dba Cec Vibrations Products
Cross-Reference Index
Part NumberManufacturer
8DJ81CAA4 Ametek Inc Div Aerospace and Defense (USA)
MS28000-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8DJ43AAM13 General Electric Company (USA)
8DJ43AAM13 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
6680-00-663-4209INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM11
6680-00-663-4214INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM9
6620-01-063-9636INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
367705

Frequently Asked Questions

What is NSN 6620-00-663-4207?

NSN 6620-00-663-4207 is a Indicator,electrical Tachometer, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 6620 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6620-00-663-4207?

NSN 6620-00-663-4207 has 4 cross-referenced part numbers: 8DJ81CAA4 (Ametek Inc Div Aerospace and Defense), MS28000-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 8DJ43AAM13 (General Electric Company), 8DJ43AAM13 (Ametek Inc Div Aerospace and Defense).

What NSN replaces 6620-00-663-4207?

There are 5 known substitutes for 6620-00-663-4207: 6620-00-515-4541, 6680-00-663-4206, 6680-00-663-4209 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8DJ43AAM13?

Key specifications for 8DJ43AAM13: Scale Marking: MINOR GRADUATION AND MINOR GRADUATION AND MAJOR GRADUATIONMAJOR GRADUATION; Mounting Stud Diameter: 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN; Scale Marking Transparency: LUMINOUSLUMINOUS; Width: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6620-00-663-4207 still in active supply?

NSN 6620-00-663-4207 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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