PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1560U4-03Indicator,electrical Tachometer

Elbitamerica, Inc. · NSN 6620-00-526-6627 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-526-6627 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-526-6627. Primary manufacturer part number: 1560U4-03.
Features
  • Indicator,electrical Tachometer — FSC 6620
  • Pointer Type: INDICATING SINGLE POINTER
  • Individual Marking: PERCENT RPM
  • Electrical Connection Identifying Number: MS33678-10SL-3P
  • Scale Range: +0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
  • Supplementary Features: TECH ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-13-4
  • Presentation Type: DIAL
  • Electrical Connection Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-526-6627, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-526-6627
Primary Part Number1560U4-03
Item NameIndicator,electrical Tachometer
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Pointer TypeINDICATING SINGLE POINTER
Individual MarkingPERCENT RPM
Electrical Connection Identifying NumberMS33678-10SL-3P
Scale Range+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
Supplementary FeaturesTECH ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-13-4
Presentation TypeDIAL
Electrical Connection Quantity1
Diameter2.000 INCHES NOMINAL IN
Current TypeAC
Contact TypePIN
Length5.000 INCHES NOMINAL IN
Contact Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-85517333354 INTERCHANGEABLE
Bearing,ball,thrust
U S Army Tank Automotive Command Amsta-Im-Mm
4320-00-103-8375E29 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
5330-00-104-4534E29 INTERCHANGEABLE
Gasket
Victaulic Company of America Inc Dba Victaulic Company of America
1730-00-221-1665E29 INTERCHANGEABLE
Lift Bar,aircraft
The Boeing Company Div Legacy Am&m
6620-00-515-45418DJ43AAM INTERCHANGEABLE
Indicator,electrical Tachometer
Ametek Inc Div Aerospace and Defense
6620-00-515-4542 INTERCHANGEABLE
Indicator,electrical Tachometer
6620-00-526-50031559-4-03 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
Cross-Reference Index
Part NumberManufacturer
1560U4-03 PRIMARY Elbitamerica, Inc. (USA)
MIL-I-25623 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MU-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E-29 Department of the Air Force (USA)
Related Parts
3110-00-100-8551INTERCHANGEABLE
BEARING,BALL,THRUST
7333354
4320-00-103-8375INTERCHANGEABLE
RING,WEARING
E29
5330-00-104-4534INTERCHANGEABLE
GASKET
E29
1730-00-221-1665INTERCHANGEABLE
LIFT BAR,AIRCRAFT
E29
6620-00-515-4541INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ43AAM
6620-00-515-4542INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
6620-00-526-5003INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
1559-4-03
6620-00-556-1976INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
1559C4-06
6620-00-557-3023INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
6620-00-621-0143INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
8DJ81CAA1
3110-00-727-5955INTERCHANGEABLE
BEARING,BALL,ANNULAR
6620-00-959-6614INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
34102C1C4-1C1

Frequently Asked Questions

What is NSN 6620-00-526-6627?

NSN 6620-00-526-6627 is a Indicator,electrical Tachometer, manufactured by Elbitamerica, Inc., classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-526-6627?

NSN 6620-00-526-6627 has 4 cross-referenced part numbers: 1560U4-03 (Elbitamerica, Inc.), MIL-I-25623 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MU-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E-29 (Department of the Air Force).

What NSN replaces 6620-00-526-6627?

There are 12 known substitutes for 6620-00-526-6627: 3110-00-100-8551, 4320-00-103-8375, 5330-00-104-4534 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1560U4-03?

Key specifications for 1560U4-03: Pointer Type: INDICATING SINGLE POINTER; Special Features: INDICATOR INCLUDES SUBDIAL SCALE WITH RANGE 0 TO 10% RPM; THE MAJOR SCALE HAS RANGE 0 TO 100% RPM; TOTAL SCALE RANGE OF INDICATOR 0 TO 110% RPM; HERMETICALLY SEALED CASE PER MS33639; TACH DESIGNED FOR USE WITH A TWO POLE TACH GENERATOR CONFORMING TO MIL-G-9398;WEIGHT APPROXIMATELY 1 LB; DIAL IS SCREENED WITH 100 PERCENT AT 9 O'CLOCK; DULL BLACK BACKGROUND PER FED-STD-595 LBS; Individual Marking: PERCENT RPM; 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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