PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-191-01Indicator,electrical Tachometer

Eldec Aerospace Corp · NSN 6620-01-010-0038 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-01-010-0038 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-010-0038. Primary manufacturer part number: 9-191-01.
Features
  • Indicator,electrical Tachometer — FSC 6620
  • Electrical Connection Quantity: 1
  • Electrical Connection Identifying Number: MS27656T19F32P
  • Supplementary Features: TECH ORDER 5E6-2-58-3
  • Height: 6.310 INCHES NOMINAL IN
  • Scale Range: +0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR ALL SCALES
  • Width: 1.750 INCHES NOMINAL IN
  • AC Voltage Rating: 115.0 VOLTS NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-010-0038, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Eldec Aerospace Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-01-010-0038
Primary Part Number9-191-01
Item NameIndicator,electrical Tachometer
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerEldec Aerospace Corp
StatusACTIVE
Electrical Connection Quantity1
Electrical Connection Identifying NumberMS27656T19F32P
Supplementary FeaturesTECH ORDER 5E6-2-58-3
Height6.310 INCHES NOMINAL IN
Scale Range+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR ALL SCALES
Width1.750 INCHES NOMINAL IN
AC Voltage Rating115.0 VOLTS NOMINAL
Frequency Rating400.0 HERTZ NOMINAL
Current TypeAC
Length9.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5985-00-819-734491910-1 INTERCHANGEABLE
Reflector,antenna
L3harris Technologies, Inc Div Space & Airborne Systems
6685-01-024-6662919101 INTERCHANGEABLE
Thermostat,flow Control
Clark Material Handling Company
5998-01-370-274184191-13CA INTERCHANGEABLE
Extractor,electrical Card
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
9-191-01 PRIMARY Eldec Aerospace Corp (USA)
Related Parts
5985-00-819-7344INTERCHANGEABLE
REFLECTOR,ANTENNA
91910-1
6685-01-024-6662INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
919101
5998-01-370-2741INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
84191-13CA

Frequently Asked Questions

What is NSN 6620-01-010-0038?

NSN 6620-01-010-0038 is a Indicator,electrical Tachometer, manufactured by Eldec Aerospace Corp, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-01-010-0038?

NSN 6620-01-010-0038 has 1 cross-referenced part number: 9-191-01 (Eldec Aerospace Corp).

What NSN replaces 6620-01-010-0038?

There are 3 known substitutes for 6620-01-010-0038: 5985-00-819-7344, 6685-01-024-6662, 5998-01-370-2741. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-191-01?

Key specifications for 9-191-01: Special Features: DISPLAYS PERCENT OF RPM OF THE N1 (LOW COMPRESSOR) ROTORS OF 4 TURBOFAN JET ENGINES; CONSISTS OF 4 VERTICAL SCALES EACH WHICH INDICATES 0-110% RPM; EACH SCALE OPERATES INDEPENDENTLY; 5 VOLT DIAL LIGHTING; WEIGHT 4 LBS; 45 DEGREE VISIBILITY OF SCALE LBS; Electrical Connection Quantity: 1; Electrical Connection Identifying Number: MS27656T19F32P; Part Name Assigned by Controlling Agency: RPM INDICATOR. 12 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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