PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-55-75Motor-Tachometer Generator

Arc Systems Inc · NSN 6105-00-137-6387 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-00-137-6387 — this item is cataloged by the U.S. Government under National Stock Number 6105-00-137-6387. Primary manufacturer part number: 18-55-75.
Features
  • Motor-Tachometer Generator — FSC 6105
  • Shaft End Characteristic: A17 SINGLE STYLE SINGLE END
  • Frequency in Hertz: 400.0 OUTPUT
  • Control Field Voltage Type and Rating in Volts: 115.0 AC
  • Calibration Speed in RPM: 1000.0
  • Inclosure Specification: COMMERCIAL
  • Calibration Voltage Output Type in Volts: 0.55 AC
  • Terminal Type and Quantity: 10 SCREW
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Motor-Tachometer Generator, cataloged under National Stock Number 6105-00-137-6387, 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 Arc Systems Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN6105-00-137-6387
Primary Part Number18-55-75
Item NameMotor-Tachometer Generator
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerArc Systems Inc
StatusACTIVE
Shaft End CharacteristicA17 SINGLE STYLE SINGLE END
Frequency in Hertz400.0 OUTPUT
Control Field Voltage Type and Rating in Volts115.0 AC
Calibration Speed in RPM1000.0
Inclosure SpecificationCOMMERCIAL
Calibration Voltage Output Type in Volts0.55 AC
Terminal Type and Quantity10 SCREW
Mounting MethodCLAMP RING(S)
Rotor Speed Rating in RPM10000.0 SINGLE NO LOAD
Current TypeAC INPUT
Cooling MethodAMBIENT AIR
Length of Shaft From Housing0.375 INCHES SINGLE END IN
Excitor TypeSEPARATELY EXCITED
Torque Rating and Type10.0 INCH-OUNCES STALLED IN
Mounting Facility Type and Quantity1 CLAMP COLLAR
PhaseSINGLE INPUT
Teeth Quantity15 SINGLE END
Enclosure FeatureTOTALLY ENCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5940-00-503-4204 INTERCHANGEABLE
Terminal Box
3040-00-902-1680YC15-3A INTERCHANGEABLE
Clamp,hub
Designatronics Inc Perfect Gear and Instrument Div
5342-00-976-5135215-002-0007 INTERCHANGEABLE
Clamp
Northrop Grumman Systems Corporation
5140-01-288-2709C0709 INTERCHANGEABLE
Roll,tools and Accessories
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
18-55-75 PRIMARY Arc Systems Inc (USA)
C79 Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
C79-A Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
CV90851004 Kearfott Corporation Div Guidance and Navigation Division (USA)
167-C79C PRIMARY Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
CV90851004 PRIMARY Kearfott Corp Div Kearfott Corporation (USA)
132-021-0002 Northrop Grumman Systems Corporation (USA)
Related Parts
5940-00-503-4204INTERCHANGEABLE
TERMINAL BOX
3040-00-902-1680INTERCHANGEABLE
CLAMP,HUB
YC15-3A
5342-00-976-5135INTERCHANGEABLE
CLAMP
215-002-0007
5140-01-288-2709INTERCHANGEABLE
ROLL,TOOLS AND ACCESSORIES
C0709

Frequently Asked Questions

What is NSN 6105-00-137-6387?

NSN 6105-00-137-6387 is a Motor-Tachometer Generator, manufactured by Arc Systems Inc, classified under FSC 6105 (No Item Name Available). Status: active.

What are the part numbers for NSN 6105-00-137-6387?

NSN 6105-00-137-6387 has 7 cross-referenced part numbers: 18-55-75 (Arc Systems Inc), C79 (Mpc Products Corporation Dba Woodward Mpc, Inc.), C79-A (Mpc Products Corporation Dba Woodward Mpc, Inc.), CV90851004 (Kearfott Corporation Div Guidance and Navigation Division), 167-C79C (Mpc Products Corporation Dba Woodward Mpc, Inc.) and 2 more.

What NSN replaces 6105-00-137-6387?

There are 4 known substitutes for 6105-00-137-6387: 5940-00-503-4204, 3040-00-902-1680, 5342-00-976-5135 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-55-75?

Key specifications for 18-55-75: Overall Length: 2.175 INCHES IN; Shaft End Characteristic: A17 SINGLE STYLE SINGLE END; Frequency in Hertz: 400.0 OUTPUT; Control Field Voltage Type and Rating in Volts: 115.0 AC. 19 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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