PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125-017Motor-Tachometer Generator

Mpc Products Corporation Dba Woodward Mpc, Inc. · NSN 6105-00-078-2558 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-00-078-2558 — this item is cataloged by the U.S. Government under National Stock Number 6105-00-078-2558. Primary manufacturer part number: 125-017.
Features
  • Motor-Tachometer Generator — FSC 6105
  • Inclosure Specification: COMMERCIAL
  • Shaft End Characteristic: A14 SINGLE STYLE SINGLE END
  • Control Field Voltage Type and Rating in Volts: 15.0 AC AND 30.0 AC
  • Temp Rating: -55.0 OPERATING CELSIUS AND 65.0 OPERATING CELSIUS
  • Excitor Type: SEPARATELY EXCITED
  • Length of Shaft From Housing: 0.376 INCHES SINGLE END IN
  • Terminal Type and Quantity: 10 WIRE LEAD
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Motor-Tachometer Generator, cataloged under National Stock Number 6105-00-078-2558, is classified within Federal Supply Class 6105 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Mpc Products Corporation Dba Woodward Mpc, Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6105-00-078-2558
Primary Part Number125-017
Item NameMotor-Tachometer Generator
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerMpc Products Corporation Dba Woodward Mpc, Inc.
StatusACTIVE
Inclosure SpecificationCOMMERCIAL
Shaft End CharacteristicA14 SINGLE STYLE SINGLE END
Control Field Voltage Type and Rating in Volts15.0 AC AND 30.0 AC
Temp Rating-55.0 OPERATING CELSIUS AND 65.0 OPERATING CELSIUS
Excitor TypeSEPARATELY EXCITED
Length of Shaft From Housing0.376 INCHES SINGLE END IN
Terminal Type and Quantity10 WIRE LEAD
Current TypeAC INPUT
Mounting Facility Type and Quantity1 CLAMP COLLAR
Frequency in Hertz400.0 OUTPUT
Spline Length0.2900 INCHES NOMINAL SINGLE END IN
Spline Minor Diameter0.1083 INCHES NOMINAL SINGLE END IN
Enclosure FeatureTOTALLY ENCLOSED
Spline Quantity13 SINGLE END
Calibration Speed in RPM1000.0
Calibration Voltage Output Type in Volts3.2 AC
PhaseTWO INPUT
Cooling MethodNONVENTILATED
Connection Type and Voltage Rating in Volts115.0 LINE TO NEUTRAL SINGLE INPUT
Torque Rating and Type0.7 INCH-OUNCES STALLED IN
Shaft Diameter0.1237 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM SINGLE END IN
Mounting MethodCLAMP RING(S)
Connection Type and Voltage Rating in Volts3.2 LINE TO NEUTRAL SINGLE OUTPUT
Features ProvidedVERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION
Maximum Operating Altitude Rating50000.0 FEET FT
Rotor Speed Rating in RPM5800.0 SINGLE NO LOAD
Power Rating7.000 WATTS INPUT
Current Rating in Amps0.058 SINGLE INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5340-00-168-72731.250-17 INTERCHANGEABLE
Cap,protective,dust and Moisture
Sinclair & Rush, Inc. Dba Sinclair & Rush Inc
5310-00-185-6460 INTERCHANGEABLE
Nut,plain,round
5310-00-186-9341 INTERCHANGEABLE
Nut,self-Locking,wing
5330-00-420-5856125017 INTERCHANGEABLE
Packing,preformed
Thermo Power Corp Engine Div
Cross-Reference Index
Part NumberManufacturer
77C708676 Lockheed Martin Corporation Div Rms (USA)
125-017 PRIMARY Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
Related Parts
5340-00-168-7273INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
1.250-17
5310-00-185-6460INTERCHANGEABLE
NUT,PLAIN,ROUND
5310-00-186-9341INTERCHANGEABLE
NUT,SELF-LOCKING,WING
5330-00-420-5856INTERCHANGEABLE
PACKING,PREFORMED
125017

Frequently Asked Questions

What is NSN 6105-00-078-2558?

NSN 6105-00-078-2558 is a Motor-Tachometer Generator, manufactured by Mpc Products Corporation Dba Woodward Mpc, Inc., classified under FSC 6105 (No Item Name Available). Status: active.

What are the part numbers for NSN 6105-00-078-2558?

NSN 6105-00-078-2558 has 2 cross-referenced part numbers: 77C708676 (Lockheed Martin Corporation Div Rms), 125-017 (Mpc Products Corporation Dba Woodward Mpc, Inc.).

What NSN replaces 6105-00-078-2558?

There are 4 known substitutes for 6105-00-078-2558: 5340-00-168-7273, 5310-00-185-6460, 5310-00-186-9341 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125-017?

Key specifications for 125-017: Overall Width: 1.065 INCHES IN; Inclosure Specification: COMMERCIAL; Shaft End Characteristic: A14 SINGLE STYLE SINGLE END; Control Field Voltage Type and Rating in Volts: 15.0 AC AND 30.0 AC. 30 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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