PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2640-068ASSYDCoupling,shaft,flexible

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3010-01-232-2543 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-232-2543 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-232-2543. Primary manufacturer part number: 2640-068ASSYD.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Outside Diameter: 4.500 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • 5 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-232-2543, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-232-2543
Primary Part Number2640-068ASSYD
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Outside Diameter4.500 INCHES NOMINAL IN
Bore ShapeSTRAIGHT BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-893-37682640-068PC17-4IN INTERCHANGEABLE
Flange,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
2915-00-988-33392640068 INTERCHANGEABLE
Lever Assy,fuel Con
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-462-6850845-1889817PC17SZ1/2N INTERCHANGEABLE
Flange,pipe
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
2640-068REVRASSYD Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2640-068ASSYD PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2640-068 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
845-1889817 Naval Ship Systems Command (USA)
845-1889817REVRASSYD Naval Ship Systems Command (USA)
Related Parts
4730-00-893-3768INTERCHANGEABLE
FLANGE,PIPE
2640-068PC17-4IN
2915-00-988-3339INTERCHANGEABLE
LEVER ASSY,FUEL CON
2640068
4730-01-462-6850INTERCHANGEABLE
FLANGE,PIPE
845-1889817PC17SZ1/2N

Frequently Asked Questions

What is NSN 3010-01-232-2543?

NSN 3010-01-232-2543 is a Coupling,shaft,flexible, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-232-2543?

NSN 3010-01-232-2543 has 5 cross-referenced part numbers: 2640-068REVRASSYD (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-068ASSYD (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-068 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-1889817 (Naval Ship Systems Command), 845-1889817REVRASSYD (Naval Ship Systems Command).

What NSN replaces 3010-01-232-2543?

There are 3 known substitutes for 3010-01-232-2543: 4730-00-893-3768, 2915-00-988-3339, 4730-01-462-6850. Verify interchangeability with system specifications before substitution.

What are the specifications of 2640-068ASSYD?

Key specifications for 2640-068ASSYD: Outside Diameter: 4.500 INCHES NOMINAL IN; Overall Length: 3.688 INCHES NOMINAL IN; Bore Shape: STRAIGHT BOTH ENDS. 3 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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