PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4086Shaft,drive,flexible

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 3040-00-343-6621 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-343-6621 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-343-6621. Primary manufacturer part number: 4086.
Features
  • Shaft,drive,flexible — FSC 3040
  • Thread Class: 3B
  • Thread Length: 0.500 INCHES NOMINAL IN
  • End Overall Length: 1.813 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • End Type: THREADED FEMALE
  • Unit Type: WIRE WOUND
Applications
  • Applications requiring Steel Shaft construction
General Description

The Shaft,drive,flexible, cataloged under National Stock Number 3040-00-343-6621, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-343-6621
Primary Part Number4086
Item NameShaft,drive,flexible
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Thread Class3B
Thread Length0.500 INCHES NOMINAL IN
End Overall Length1.813 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Outside Diameter0.750 INCHES NOMINAL IN
End TypeTHREADED FEMALE
Unit TypeWIRE WOUND
Cross Section Size and Location1.000 INCHES NOMINAL ACROSS FLATS IN
Size Designator1 IN. HEX IN
MaterialSTEEL SHAFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-018-04254086 INTERCHANGEABLE
Disk,valve
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5120-00-221-796141H1504-350 INTERCHANGEABLE
Handle,socket Wrench
Marine Corps
9540-00-261-5112 INTERCHANGEABLE
Angle,structural
5999-00-658-9654341004 INTERCHANGEABLE
Shielding Gasket,electronic
Lockheed Martin Corporation Div Rms - Mitchel Field
6210-00-783-77614086 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5310-00-898-335311154443-2 INTERCHANGEABLE
Nut,plain,knurled
Us Army Aviation and Missile Command
5950-00-941-798111586607 INTERCHANGEABLE
Transformer,radio Frequency
U S Army Tank Automotive Command Amsta-Im-Mm
4730-01-054-38364086 INTERCHANGEABLE
Elbow,pipe to Tube
Brinkley Technology Group Llc Dba Hercules Manufacturing
5930-01-296-66885191042-1 INTERCHANGEABLE
Boot,dust and Moisture Seal
Naval Sea Systems Command
4730-01-324-51354086 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Smithco, Inc.
Cross-Reference Index
Part NumberManufacturer
4086 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
Related Parts
4820-00-018-0425INTERCHANGEABLE
DISK,VALVE
4086
5120-00-221-7961INTERCHANGEABLE
HANDLE,SOCKET WRENCH
41H1504-350
9540-00-261-5112INTERCHANGEABLE
ANGLE,STRUCTURAL
5999-00-658-9654INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
341004
6210-00-783-7761INTERCHANGEABLE
LENS,LIGHT
4086
5310-00-898-3353INTERCHANGEABLE
NUT,PLAIN,KNURLED
11154443-2
5950-00-941-7981INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
11586607
4730-01-054-3836INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4086
5930-01-296-6688INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5191042-1
4730-01-324-5135INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
4086

Frequently Asked Questions

What is NSN 3040-00-343-6621?

NSN 3040-00-343-6621 is a Shaft,drive,flexible, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-343-6621?

NSN 3040-00-343-6621 has 1 cross-referenced part number: 4086 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).

What NSN replaces 3040-00-343-6621?

There are 10 known substitutes for 3040-00-343-6621: 4820-00-018-0425, 5120-00-221-7961, 9540-00-261-5112 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4086?

Key specifications for 4086: Thread Class: 3B; Thread Length: 0.500 INCHES NOMINAL IN; Overall Length: 9.563 INCHES NOMINAL IN; End Overall Length: 1.813 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

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