PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14-97-0212Coupling Assembly,sound Isolatio

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4730-00-064-8581 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-064-8581 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-064-8581. Primary manufacturer part number: 14-97-0212.
Features
  • Coupling Assembly,sound Isolatio — FSC 4730
  • General Characteristics Item Description: STEEL;6.547 IN.LG EXCLUDING STUDS,7.500 IN.O/D AT STUDS END,3.047 IN. I/D AT STUDS END,4 STUDS THD 5/8 IN.,11 AND 2 IN.LG;FLANGED END 7.500 IN O/D,0.928 IN.THK,3.947 IN I/D,4 BOLT HOLES 0.688 IN.DIA IN
  • 2 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Assembly,sound Isolatio, cataloged under National Stock Number 4730-00-064-8581, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-064-8581
Primary Part Number14-97-0212
Item NameCoupling Assembly,sound Isolatio
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
General Characteristics Item DescriptionSTEEL;6.547 IN.LG EXCLUDING STUDS,7.500 IN.O/D AT STUDS END,3.047 IN. I/D AT STUDS END,4 STUDS THD 5/8 IN.,11 AND 2 IN.LG;FLANGED END 7.500 IN O/D,0.928 IN.THK,3.947 IN I/D,4 BOLT HOLES 0.688 IN.DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-064-858214-97-0215 INTERCHANGEABLE
Coupling Assembly,tube,flexible
Electric Boat Corporation Div General Dynamics Electric Boat
4730-00-893-38242640-067PC14-1IN INTERCHANGEABLE
Flange,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
SS845-1889816 Naval Ship Systems Command (USA)
14-97-0212 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4730-00-064-8582INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
14-97-0215
4730-00-893-3824INTERCHANGEABLE
FLANGE,PIPE
2640-067PC14-1IN

Frequently Asked Questions

What is NSN 4730-00-064-8581?

NSN 4730-00-064-8581 is a Coupling Assembly,sound Isolatio, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-064-8581?

NSN 4730-00-064-8581 has 2 cross-referenced part numbers: SS845-1889816 (Naval Ship Systems Command), 14-97-0212 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4730-00-064-8581?

There are 2 known substitutes for 4730-00-064-8581: 4730-00-064-8582, 4730-00-893-3824. Verify interchangeability with system specifications before substitution.

What are the specifications of 14-97-0212?

Key specifications for 14-97-0212: General Characteristics Item Description: STEEL;6.547 IN.LG EXCLUDING STUDS,7.500 IN.O/D AT STUDS END,3.047 IN. I/D AT STUDS END,4 STUDS THD 5/8 IN.,11 AND 2 IN.LG;FLANGED END 7.500 IN O/D,0.928 IN.THK,3.947 IN I/D,4 BOLT HOLES 0.688 IN.DIA IN. 1 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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