PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6660Shaft and Casing

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 4940-00-391-4618 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-391-4618 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-391-4618. Primary manufacturer part number: 6660.
Features
  • Shaft and Casing — FSC 4940
  • 1 verified cross-reference
  • Primary manufacturer: Thomas C. Wilson, Inc. Dba Thomas C Wilson
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Shaft and Casing, cataloged under National Stock Number 4940-00-391-4618, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft and Casing
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersThomas C. Wilson, Inc. Dba Thomas C Wilson (CAGE 66042)
Technical Specifications
ParameterValue
NSN4940-00-391-4618
Primary Part Number6660
Item NameShaft and Casing
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-117-42686146 INTERCHANGEABLE
Control,electric Light
Ripley Co Inc
6210-00-187-40166660 INTERCHANGEABLE
Control,electric Light
Boston Whaler Inc
2815-00-324-7872 INTERCHANGEABLE
Rod Assy
3040-00-343-6610 INTERCHANGEABLE
Shaft,drive,flexible
4730-00-729-7076409S INTERCHANGEABLE
Chuck,air,inflating
Diamond-U-Products Inc
6645-00-732-778910515279 INTERCHANGEABLE
Timer,interval
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4820-00-845-1096 INTERCHANGEABLE
Cock,drain
5950-00-867-8349 INTERCHANGEABLE
Transformer,power
5365-01-067-658306660 INTERCHANGEABLE
Bushing,machine Thread
Imi Cash Valve Inc
4520-01-226-9487406027 INTERCHANGEABLE
Heating Element,electrical,nonim
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
6660 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
Related Parts
6210-00-117-4268INTERCHANGEABLE
CONTROL,ELECTRIC LIGHT
6146
6210-00-187-4016INTERCHANGEABLE
CONTROL,ELECTRIC LIGHT
6660
2815-00-324-7872INTERCHANGEABLE
ROD ASSY
3040-00-343-6610INTERCHANGEABLE
SHAFT,DRIVE,FLEXIBLE
4730-00-729-7076INTERCHANGEABLE
CHUCK,AIR,INFLATING
409S
6645-00-732-7789INTERCHANGEABLE
TIMER,INTERVAL
10515279
4820-00-845-1096INTERCHANGEABLE
COCK,DRAIN
5950-00-867-8349INTERCHANGEABLE
TRANSFORMER,POWER
5365-01-067-6583INTERCHANGEABLE
BUSHING,MACHINE THREAD
06660
4520-01-226-9487INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
406027
4020-01-352-2728INTERCHANGEABLE
ROPE FIBROUS ASSY
3316660
6515-01-372-8816INTERCHANGEABLE
HEEL CUP,ORTHOPEDIC
6660

Frequently Asked Questions

What is NSN 4940-00-391-4618?

NSN 4940-00-391-4618 is a Shaft and Casing, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-391-4618?

NSN 4940-00-391-4618 has 1 cross-referenced part number: 6660 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).

What NSN replaces 4940-00-391-4618?

There are 12 known substitutes for 4940-00-391-4618: 6210-00-117-4268, 6210-00-187-4016, 2815-00-324-7872 and 9 more. Verify interchangeability with system specifications before substitution.

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