PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WW-C-624Coupling Assembly,hose

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-203-3544 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-3544 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-3544. Primary manufacturer part number: WW-C-624.
Features
  • Coupling Assembly,hose — FSC 4730
  • Nominal Overall Length: 3.250 INCHES IN
  • Nominal Inside Diameter Hose Accommodated: 0.625 INCHES ALL ENDS IN
  • Nondefinitive Spec/std Data: A TYPE AND 5/8 SIZE
  • Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS
  • Seat Type: GASKET
  • Connection Style: BARBED OR BEADED (HOSE) ALL ENDS
  • Material: COPPER ALLOY OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling Assembly,hose, cataloged under National Stock Number 4730-00-203-3544, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-203-3544
Primary Part NumberWW-C-624
Item NameCoupling Assembly,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Nominal Overall Length3.250 INCHES IN
Nominal Inside Diameter Hose Accommodated0.625 INCHES ALL ENDS IN
Nondefinitive Spec/std DataA TYPE AND 5/8 SIZE
Connection TypeUNTHREADED EXTERNAL HOSE ALL ENDS
Seat TypeGASKET
Connection StyleBARBED OR BEADED (HOSE) ALL ENDS
MaterialCOPPER ALLOY OVERALL
Operating Pressure75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER SINGLE RESPONSE
Media for Which DesignedWATER SINGLE RESPONSE
Furnished Items and Quantity1 GASKET AND 2 HOSE CLAMP
Operating Pressure75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length3.250 INCHES IN
Nominal Inside Diameter Hose Accommodated0.625 INCHES ALL ENDS IN
MaterialCOPPER ALLOY OVERALL
Nondefinitive Spec/std DataA TYPE AND 5/8 SIZE
Seat TypeGASKET
Furnished Items and Quantity1 GASKET AND 2 HOSE CLAMP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-203-3545 INTERCHANGEABLE
Coupling Assembly,hose
4730-00-640-0590 INTERCHANGEABLE
Coupling Assembly,hose
4730-00-926-4234 INTERCHANGEABLE
Coupling,hose
4730-01-485-0755 INTERCHANGEABLE
Coupling Assembly,hose
4730-01-511-8059211076378B INTERCHANGEABLE
Coupling Assembly,hose
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
WW-C-624 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-C-624-1G-1-05 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-203-3545INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4730-00-640-0590INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4730-00-926-4234INTERCHANGEABLE
COUPLING,HOSE
4730-01-485-0755INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4730-01-511-8059INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
211076378B

Frequently Asked Questions

What is NSN 4730-00-203-3544?

NSN 4730-00-203-3544 is a Coupling Assembly,hose, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-203-3544?

NSN 4730-00-203-3544 has 2 cross-referenced part numbers: WW-C-624 (Federal Specifications Promulgated by General Services Administration Washington DC), WW-C-624-1G-1-05 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-203-3544?

There are 5 known substitutes for 4730-00-203-3544: 4730-00-203-3545, 4730-00-640-0590, 4730-00-926-4234 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WW-C-624?

Key specifications for WW-C-624: Nominal Overall Length: 3.250 INCHES IN; Nominal Inside Diameter Hose Accommodated: 0.625 INCHES ALL ENDS IN; Nondefinitive Spec/std Data: A TYPE AND 5/8 SIZE; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-203-3544 still in active supply?

NSN 4730-00-203-3544 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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