PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4050-3PCoupling Half,quick Disconnect

Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division · NSN 4730-01-320-1759 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-320-1759 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-320-1759. Primary manufacturer part number: 4050-3P.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Quick Disconnect Nominal Size: 0.375 INCHES ALL ENDS IN
  • Material: STEEL BODY
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Style Designator: FEMALE COUPLING HALF
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-320-1759, 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 Coupling Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-320-1759
Primary Part Number4050-3P
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
StatusACTIVE
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Nominal Thread Size0.375 INCHES ALL ENDS IN
Quick Disconnect Nominal Size0.375 INCHES ALL ENDS IN
MaterialSTEEL BODY
Quick Disconnect MethodPUSH-PULL ALL ENDS
Style DesignatorFEMALE COUPLING HALF
Connection StylePLAIN ALL ENDS
Thread Series DesignatorNPTF ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5315-00-104-5231 INTERCHANGEABLE
Pin,hinge
1680-00-608-311440503 INTERCHANGEABLE
Spacer,load Spring
Honeywell International Inc. Div Aerospace - Torrance
2915-00-874-75764050 INTERCHANGEABLE
Valve,fuel Shutoff
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2910-00-891-06016416712 INTERCHANGEABLE
Pump,fuel,cam Actuated
General Motors Llc Dba General Motors Llc
3455-01-045-794116220 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5120-01-074-810335412 INTERCHANGEABLE
Bit,screwdriver
Magna Div Vermont American Corp
6515-01-108-2861 INTERCHANGEABLE
Pin,bone Nail Guide
5340-01-286-676740503 INTERCHANGEABLE
Rubber Mount
Andrew Llc
4820-01-328-1329WJL-10-1900 INTERCHANGEABLE
Valve,safety Relief
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5945-01-421-553440503 INTERCHANGEABLE
Relay,electromagnetic
Getinge Usa Inc
Cross-Reference Index
Part NumberManufacturer
4050-3 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
4050-3 Parker-Hannifin Corporation Div Quick Coupling Division (USA)
4050-3 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
4050-3P PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA)
5D3-02470 ITEM 17 Lake Shore Systems, Inc. (USA)
4050-3P Parker-Hannifin Corporation Div Quick Coupling Division (USA)
Related Parts
5315-00-104-5231INTERCHANGEABLE
PIN,HINGE
1680-00-608-3114INTERCHANGEABLE
SPACER,LOAD SPRING
40503
2915-00-874-7576INTERCHANGEABLE
VALVE,FUEL SHUTOFF
4050
2910-00-891-0601INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
6416712
3455-01-045-7941INTERCHANGEABLE
CUTTER,MILLING,END
16220
5120-01-074-8103INTERCHANGEABLE
BIT,SCREWDRIVER
35412
6515-01-108-2861INTERCHANGEABLE
PIN,BONE NAIL GUIDE
5340-01-286-6767INTERCHANGEABLE
RUBBER MOUNT
40503
4820-01-328-1329INTERCHANGEABLE
VALVE,SAFETY RELIEF
WJL-10-1900
5945-01-421-5534INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
40503

Frequently Asked Questions

What is NSN 4730-01-320-1759?

NSN 4730-01-320-1759 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-320-1759?

NSN 4730-01-320-1759 has 6 cross-referenced part numbers: 4050-3 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 4050-3 (Parker-Hannifin Corporation Div Quick Coupling Division), 4050-3 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 4050-3P (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 5D3-02470 ITEM 17 (Lake Shore Systems, Inc.) and 1 more.

What NSN replaces 4730-01-320-1759?

There are 10 known substitutes for 4730-01-320-1759: 5315-00-104-5231, 1680-00-608-3114, 2915-00-874-7576 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4050-3P?

Key specifications for 4050-3P: Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Quick Disconnect Nominal Size: 0.375 INCHES ALL ENDS IN. 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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