PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWC624Coupling Assembly,hose

Moon American Inc · NSN 4730-00-203-3545 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-3545 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-3545. Primary manufacturer part number: WWC624.
Features
  • Coupling Assembly,hose — FSC 4730
  • Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Nominal Overall Length: 3.375 INCHES IN
  • Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Seat Type: GASKET
  • Media for Which Designed: WATER SINGLE RESPONSE
  • Nondefinitive Spec/std Data: A TYPE AND 3/4 SIZE
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 4730-00-203-3545, 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 Moon American Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-203-3545
Primary Part NumberWWC624
Item NameCoupling Assembly,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMoon American Inc
StatusCANCELLED
Connection TypeUNTHREADED EXTERNAL HOSE ALL ENDS
MaterialCOPPER ALLOY OVERALL
Nominal Overall Length3.375 INCHES IN
Operating Pressure75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Seat TypeGASKET
Media for Which DesignedWATER SINGLE RESPONSE
Nondefinitive Spec/std DataA TYPE AND 3/4 SIZE
Furnished Items and Quantity2 GASKET
Nominal Overall Length3.375 INCHES IN
Media for Which DesignedWATER SINGLE RESPONSE
Nominal Inside Diameter Hose Accommodated0.750 INCHES ALL ENDS IN
MaterialCOPPER ALLOY OVERALL
Operating Pressure75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Furnished Items and Quantity2 GASKET
Nominal Inside Diameter Hose Accommodated0.750 INCHES ALL ENDS IN
Nondefinitive Spec/std DataA TYPE AND 3/4 SIZE
Connection StyleBARBED OR BEADED (HOSE) ALL ENDS
Seat TypeGASKET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4210-00-202-6713 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4730-00-203-3544 INTERCHANGEABLE
Coupling Assembly,hose
4730-00-289-4623 INTERCHANGEABLE
Coupling Assembly,hose
4720-00-585-2289 INTERCHANGEABLE
Hose Assembly,nonmetallic
4730-00-640-0590 INTERCHANGEABLE
Coupling Assembly,hose
4210-00-725-9234 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4730-00-926-4234 INTERCHANGEABLE
Coupling,hose
4720-01-152-9205 INTERCHANGEABLE
Hose Assembly,nonmetallic
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 Moon American Inc (USA)
WWC624-1G-1-06 Sae International Dba Sae International (USA)
AA59614-1G-1-06 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WWC624 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WWC624-1G-1-06 Society of Automotive Engineers Inc (USA)
WWC624 Sherman H B Mfg Co Div of Dayton-Walther Corp (USA)
A-A-59614 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WWC624 Arlington Air Parts Inc (USA)
WWC624 Esco Inc (USA)
WWC624-1G-1-06 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59614/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4210-00-202-6713INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4730-00-203-3544INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4730-00-289-4623INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4720-00-585-2289INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-00-640-0590INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4210-00-725-9234INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4730-00-926-4234INTERCHANGEABLE
COUPLING,HOSE
4720-01-152-9205INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-01-485-0755INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
4730-01-511-8059INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
211076378B

Frequently Asked Questions

What is NSN 4730-00-203-3545?

NSN 4730-00-203-3545 is a Coupling Assembly,hose, manufactured by Moon American Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-203-3545?

NSN 4730-00-203-3545 has 11 cross-referenced part numbers: WWC624 (Moon American Inc), WWC624-1G-1-06 (Sae International Dba Sae International), AA59614-1G-1-06 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WWC624 (Federal Specifications Promulgated by General Services Administration Washington DC), WWC624-1G-1-06 (Society of Automotive Engineers Inc) and 6 more.

What NSN replaces 4730-00-203-3545?

There are 10 known substitutes for 4730-00-203-3545: 4210-00-202-6713, 4730-00-203-3544, 4730-00-289-4623 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWC624?

Key specifications for WWC624: Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Material: COPPER ALLOY OVERALL; Nominal Overall Length: 3.375 INCHES IN; Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-203-3545 still in active supply?

NSN 4730-00-203-3545 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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