PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1404076Coupling Half,quick Disconnect

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4730-00-722-3462 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-722-3462 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-722-3462. Primary manufacturer part number: 1404076.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material Document and Classification: MIL-S-763,CL 303,ASIA 303 MIL SPEC SINGLE MATERIAL RESPONSE BODY
  • Thread Series Designator: UNF ALL ENDS
  • Nominal Thread Size: 0.438 INCHES ALL ENDS IN
  • Connection Style: FLARED ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
  • Quick Disconnect Nominal Size: 0.438 INCHES ALL ENDS IN
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-722-3462, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4730-00-722-3462
Primary Part Number1404076
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Document and ClassificationMIL-S-763,CL 303,ASIA 303 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Thread Series DesignatorUNF ALL ENDS
Nominal Thread Size0.438 INCHES ALL ENDS IN
Connection StyleFLARED ALL ENDS
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Quick Disconnect Nominal Size0.438 INCHES ALL ENDS IN
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
MaterialSTEEL CORROSION RESISTING BODY
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Seat Angle37.0 DEGREES
Thread Class3A ALL ENDS A
Style DesignatorMALE COUPLING HALF
Features ProvidedSAFETY LOCKING FEATURE
Quick Disconnect MethodPUSH-PULL ALL ENDS
Surface TreatmentPASSIVATE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-022-2748SPHN4-4-56-303 INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
Cross-Reference Index
Part NumberManufacturer
4730PL0970333 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1404076 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
S6PHN4-4-56 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
SPHN4-4-56 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
SPHN4-56 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
Related Parts
4730-00-022-2748INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
SPHN4-4-56-303

Frequently Asked Questions

What is NSN 4730-00-722-3462?

NSN 4730-00-722-3462 is a Coupling Half,quick Disconnect, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-722-3462?

NSN 4730-00-722-3462 has 5 cross-referenced part numbers: 4730PL0970333 (Jednolity Indeks Materialowy - Uniform Material Index), 1404076 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), S6PHN4-4-56 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), SPHN4-4-56 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), SPHN4-56 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).

What NSN replaces 4730-00-722-3462?

There is 1 known substitute for 4730-00-722-3462: 4730-00-022-2748. Verify interchangeability with system specifications before substitution.

What are the specifications of 1404076?

Key specifications for 1404076: Material Document and Classification: MIL-S-763,CL 303,ASIA 303 MIL SPEC SINGLE MATERIAL RESPONSE BODY; Thread Series Designator: UNF ALL ENDS; Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Connection Style: FLARED ALL ENDS. 16 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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