PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8DJ43AAMIndicator,electrical Tachometer

Ametek Inc Div Aerospace and Defense · NSN 6620-00-515-4541 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-515-4541 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-515-4541. Primary manufacturer part number: 8DJ43AAM.
Features
  • Indicator,electrical Tachometer — FSC 6620
  • Diameter: 2.000 INCHES NOMINAL IN
  • Length: 5.000 INCHES NOMINAL IN
  • Contact Quantity: 3
  • Electrical Connection Identifying Number: MS33678-10SL-3P
  • Pointer Type: INDICATING SINGLE POINTER
  • Scale Range: +0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
  • Individual Marking: PERCENT RPM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-515-4541, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-515-4541
Primary Part Number8DJ43AAM
Item NameIndicator,electrical Tachometer
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusACTIVE
Diameter2.000 INCHES NOMINAL IN
Length5.000 INCHES NOMINAL IN
Contact Quantity3
Electrical Connection Identifying NumberMS33678-10SL-3P
Pointer TypeINDICATING SINGLE POINTER
Scale Range+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
Individual MarkingPERCENT RPM
Supplementary FeaturesTECH ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-23-14
Electrical Connection Quantity1
Contact TypePIN
Current TypeAC
Presentation TypeDIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6620-00-515-4542 INTERCHANGEABLE
Indicator,electrical Tachometer
6620-00-526-50031559-4-03 INTERCHANGEABLE
Indicator,electrical Tachometer
Elbitamerica, Inc.
6620-00-526-66271560U4-03 INTERCHANGEABLE
Indicator,electrical Tachometer
Elbitamerica, Inc.
6620-00-556-19761559C4-06 INTERCHANGEABLE
Indicator,electrical Tachometer
Elbitamerica, Inc.
6620-00-557-3023 INTERCHANGEABLE
Indicator,electrical Tachometer
6620-00-621-01438DJ81CAA1 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
6680-00-663-42148DJ43AAM9 INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
Cross-Reference Index
Part NumberManufacturer
8DJ43AAM General Electric Company (USA)
MIL-I-25623 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6620PL1308366 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MU-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28000-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
415540 Rca Corp Rca Laboratories (USA)
8DJ43AAM PRIMARY Ametek Inc Div Aerospace and Defense (USA)
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6620-00-526-6627INTERCHANGEABLE
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6620-00-557-3023INTERCHANGEABLE
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6620-00-621-0143INTERCHANGEABLE
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8DJ81CAA1
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
6680-00-663-4214INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM9
6620-00-959-6614INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
34102C1C4-1C1
6620-00-969-3972INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ81CAA2

Frequently Asked Questions

What is NSN 6620-00-515-4541?

NSN 6620-00-515-4541 is a Indicator,electrical Tachometer, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-515-4541?

NSN 6620-00-515-4541 has 7 cross-referenced part numbers: 8DJ43AAM (General Electric Company), MIL-I-25623 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6620PL1308366 (Jednolity Indeks Materialowy - Uniform Material Index), MU-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28000-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 6620-00-515-4541?

There are 12 known substitutes for 6620-00-515-4541: 6620-00-515-4542, 6620-00-526-5003, 6620-00-526-6627 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8DJ43AAM?

Key specifications for 8DJ43AAM: Diameter: 2.000 INCHES NOMINAL IN; Length: 5.000 INCHES NOMINAL IN; Contact Quantity: 3; Electrical Connection Identifying Number: MS33678-10SL-3P. 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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