PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6519-3Coupling Half,quick Disconnect

Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division · NSN 4730-01-124-6714 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-124-6714 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-124-6714. Primary manufacturer part number: 6519-3.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Seat Angle: 37.0 DEGREES
  • Thread Class: 3A ALL ENDS A
  • Style Designator: MALE COUPLING HALF
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Features Provided: SELF-SEALING
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-124-6714, 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 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 manufacturers, 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
NSN4730-01-124-6714
Primary Part Number6519-3
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
StatusACTIVE
Seat Angle37.0 DEGREES
Thread Class3A ALL ENDS A
Style DesignatorMALE COUPLING HALF
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Nominal Thread Size0.750 INCHES ALL ENDS IN
Features ProvidedSELF-SEALING
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Connection StyleFLARED ALL ENDS
Material Document and ClassificationSAE 72 ASSN STD SINGLE MATERIAL RESPONSE BODY
Leg Length0.986 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Quick Disconnect Nominal Size0.500 INCHES ALL ENDS IN
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Furnished ItemsSEAL
Quick Disconnect MethodPUSH-PULL ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5365-00-531-842311145-52 INTERCHANGEABLE
Shim
Cummins Inc.
5961-00-577-05591902-3005 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
5985-00-837-3841651-93 INTERCHANGEABLE
Attenuator,variable
Meggitt (new Hampshire), Inc
4310-01-006-3564 INTERCHANGEABLE
Guard Fan Compressor
4130-01-703-302765193 INTERCHANGEABLE
Condenser,refrigeration
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
704-4685556 Naval Ship Systems Command (USA)
BVHN8-8-56A Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
704-4685556F12 Naval Ship Systems Command (USA)
6519-3/BVNH8-8- Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
6519-3 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
87867-1841F12 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6519-3 Danfoss Power Solutions II, Llc (USA)
6519-3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6519-3/BVHN8-8-56A/WSST VLV Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
BVHN8-8-56/W SS VALVE ASSY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
19-02-3005 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5365-00-531-8423INTERCHANGEABLE
SHIM
11145-52
5961-00-577-0559INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1902-3005
5985-00-837-3841INTERCHANGEABLE
ATTENUATOR,VARIABLE
651-93
4310-01-006-3564INTERCHANGEABLE
GUARD FAN COMPRESSOR
4130-01-703-3027INTERCHANGEABLE
CONDENSER,REFRIGERATION
65193

Frequently Asked Questions

What is NSN 4730-01-124-6714?

NSN 4730-01-124-6714 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-124-6714?

NSN 4730-01-124-6714 has 11 cross-referenced part numbers: 704-4685556 (Naval Ship Systems Command), BVHN8-8-56A (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 704-4685556F12 (Naval Ship Systems Command), 6519-3/BVNH8-8- (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 6519-3 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division) and 6 more.

What NSN replaces 4730-01-124-6714?

There are 5 known substitutes for 4730-01-124-6714: 5365-00-531-8423, 5961-00-577-0559, 5985-00-837-3841 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6519-3?

Key specifications for 6519-3: Seat Angle: 37.0 DEGREES; Thread Class: 3A ALL ENDS A; Style Designator: MALE COUPLING HALF; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION. 17 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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