PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC9527-3240-189Adapter,straight,swivel Flange T

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4730-00-355-8649 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-355-8649 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-355-8649. Primary manufacturer part number: FC9527-3240-189.
Features
  • Adapter,straight,swivel Flange T — FSC 4730
  • Criticality Code Justification: ZZZY
  • Bolt Hole Nominal Diameter: 0.560 INCHES FIRST END IN
  • Nominal Outside Diameter: 5.560 INCHES FIRST END IN
  • Reference Number Differentiating Characteristics: ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
  • Connection Type: FLANGE FIRST END
  • Bolt Hole Quantity: 6 FIRST END
  • Raised Face Nominal Diameter: 3.280 INCHES FIRST END IN
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Adapter,straight,swivel Flange T, cataloged under National Stock Number 4730-00-355-8649, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-355-8649
Primary Part NumberFC9527-3240-189
Item NameAdapter,straight,swivel Flange T
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Criticality Code JustificationZZZY
Bolt Hole Nominal Diameter0.560 INCHES FIRST END IN
Nominal Outside Diameter5.560 INCHES FIRST END IN
Reference Number Differentiating CharacteristicsITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
Connection TypeFLANGE FIRST END
Bolt Hole Quantity6 FIRST END
Raised Face Nominal Diameter3.280 INCHES FIRST END IN
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Nominal Overall Length4.400 INCHES IN
Raised Face Nominal Height0.015 INCHES FIRST END IN
Bolt Circle Nominal Diameter4.440 INCHES FIRST END IN
Nominal Thickness0.810 INCHES FIRST END IN
Nominal Inside Diameter Hose Accommodated2.500 INCHES SECOND END IN
Flange ShapeROUND WITH HOLES FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-057-8574EF-1546A2-2-40 INTERCHANGEABLE
Adapter,straight,flange to Hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
FC9527-3240-189 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4730PL1256379 Jednolity Indeks Materialowy - Uniform Material Index (POL)
FC9527-3240-189 Danfoss Power Solutions II, Llc (USA)
Related Parts
4730-00-057-8574INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO HOSE
EF-1546A2-2-40

Frequently Asked Questions

What is NSN 4730-00-355-8649?

NSN 4730-00-355-8649 is a Adapter,straight,swivel Flange T, 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 4730-00-355-8649?

NSN 4730-00-355-8649 has 3 cross-referenced part numbers: FC9527-3240-189 (Electric Boat Corporation Div General Dynamics Electric Boat), 4730PL1256379 (Jednolity Indeks Materialowy - Uniform Material Index), FC9527-3240-189 (Danfoss Power Solutions II, Llc).

What NSN replaces 4730-00-355-8649?

There is 1 known substitute for 4730-00-355-8649: 4730-00-057-8574. Verify interchangeability with system specifications before substitution.

What are the specifications of FC9527-3240-189?

Key specifications for FC9527-3240-189: Criticality Code Justification: ZZZY; Bolt Hole Nominal Diameter: 0.560 INCHES FIRST END IN; Nominal Outside Diameter: 5.560 INCHES FIRST END IN; Reference Number Differentiating Characteristics: ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS. 14 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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