PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15-55-66Motor-Tachometer Generator

Arc Systems Inc · NSN 6105-00-702-9521 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-00-702-9521 — this item is cataloged by the U.S. Government under National Stock Number 6105-00-702-9521. Primary manufacturer part number: 15-55-66.
Features
  • Motor-Tachometer Generator — FSC 6105
  • 9 verified cross-references
  • Primary manufacturer: Arc Systems Inc
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Motor-Tachometer Generator, cataloged under National Stock Number 6105-00-702-9521, 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. This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NameMotor-Tachometer Generator
FSC / FSG6105 — No Item Name Available (FSG 61)
ManufacturersMpc Products Corporation Dba Woodward Mpc, Inc. (CAGE 19710); Arc Systems Inc (CAGE 67245); Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc. (CAGE 14404); Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (CAGE 19200); Island Components Group Inc (CAGE 40968)
Technical Specifications
ParameterValue
NSN6105-00-702-9521
Primary Part Number15-55-66
Item NameMotor-Tachometer Generator
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerArc Systems Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
6240-00-089-3793Q1000T3/4CL INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
3040-00-591-6713155566 INTERCHANGEABLE
Lever,manual Control
Telemechanics Inc
2990-00-628-0636155-0480 INTERCHANGEABLE
Muffler,exhaust
Cummins Power Generation Inc.
Cross-Reference Index
Part NumberManufacturer
665-52-187 Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
15-55-66 PRIMARY Arc Systems Inc (USA)
15TGSM239D PRIMARY Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc. (USA)
176-021 Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)
8643885 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
IGC-005 Island Components Group Inc (USA)
N-250071 Neotech, Inc. (USA)
U-216477 Transicoil Llc Dba Ads Transicoil Div Transicoil (USA)
RN6-001 Rotronics Inc
Related Parts
6240-00-089-3793INTERCHANGEABLE
LAMP,INCANDESCENT
Q1000T3/4CL
3040-00-591-6713INTERCHANGEABLE
LEVER,MANUAL CONTROL
155566
2990-00-628-0636INTERCHANGEABLE
MUFFLER,EXHAUST
155-0480

Frequently Asked Questions

What is NSN 6105-00-702-9521?

NSN 6105-00-702-9521 is a Motor-Tachometer Generator, manufactured by Arc Systems Inc, classified under FSC 6105 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6105-00-702-9521?

NSN 6105-00-702-9521 has 9 cross-referenced part numbers: 665-52-187 (Mpc Products Corporation Dba Woodward Mpc, Inc.), 15-55-66 (Arc Systems Inc), 15TGSM239D (Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc.), 176-021 (Mpc Products Corporation Dba Woodward Mpc, Inc.), 8643885 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate) and 4 more.

What NSN replaces 6105-00-702-9521?

There are 3 known substitutes for 6105-00-702-9521: 6240-00-089-3793, 3040-00-591-6713, 2990-00-628-0636. Verify interchangeability with system specifications before substitution.

Is NSN 6105-00-702-9521 still in active supply?

NSN 6105-00-702-9521 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com