PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWC624Coupling Assembly,hose

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-640-0590 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-0590 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-0590. Primary manufacturer part number: WWC624.
Features
  • Coupling Assembly,hose — FSC 4730
  • Connection Style: BARBED OR BEADED (HOSE) ALL ENDS
  • Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS
  • Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nondefinitive Spec/std Data: A TYPE AND 3/4 SIZE
  • Nominal Overall Length: 3.031 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Media for Which Designed: WATER SINGLE RESPONSE
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 4730-00-640-0590, 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 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-640-0590
Primary Part NumberWWC624
Item NameCoupling Assembly,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Connection StyleBARBED OR BEADED (HOSE) ALL ENDS
Connection TypeUNTHREADED EXTERNAL HOSE ALL ENDS
Operating Pressure75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nondefinitive Spec/std DataA TYPE AND 3/4 SIZE
Nominal Overall Length3.031 INCHES IN
MaterialCOPPER ALLOY OVERALL
Media for Which DesignedWATER SINGLE RESPONSE
Departure From Cited DocumentAS MODIFIED BY MATERIAL AND LEG LENGTHS
Nominal Inside Diameter Hose Accommodated0.750 INCHES ALL ENDS IN
Seat TypeGASKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-203-3544 INTERCHANGEABLE
Coupling Assembly,hose
4730-00-203-3545 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
WWC624 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-203-3544INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4730-00-203-3545INTERCHANGEABLE
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 4730-00-640-0590?

NSN 4730-00-640-0590 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: active.

What are the part numbers for NSN 4730-00-640-0590?

NSN 4730-00-640-0590 has 1 cross-referenced part number: WWC624 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-640-0590?

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

What are the specifications of WWC624?

Key specifications for WWC624: Connection Style: BARBED OR BEADED (HOSE) ALL ENDS; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nondefinitive Spec/std Data: A TYPE AND 3/4 SIZE. 10 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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