PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

334561P01Coupling Half,quick Disconnect

Howden Fluid Systems · NSN 4730-01-354-9050 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-354-9050 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-354-9050. Primary manufacturer part number: 334561P01.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Connection Style: FLARED ALL ENDS
  • Material: COPPER ALLOY BODY
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
  • Quick Disconnect Nominal Size: 0.250 INCHES ALL ENDS IN
  • Style Designator: MALE COUPLING HALF
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-354-9050, 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 Howden Fluid Systems. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-354-9050
Primary Part Number334561P01
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHowden Fluid Systems
StatusACTIVE
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Connection StyleFLARED ALL ENDS
MaterialCOPPER ALLOY BODY
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Quick Disconnect Nominal Size0.250 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Seat Angle45.0 DEGREES
Flow Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-270-4343 INTERCHANGEABLE
Trap,steam
1005-00-344-586017C INTERCHANGEABLE
Extractor
Colt's Manufacturing Company, Llc
5340-00-358-572508100-6304 INTERCHANGEABLE
Clamp,loop
Asrc Federal Facilities Logistics, Llc
5330-00-542-1025DS-50028-1PC16-1-1/4 IN INTERCHANGEABLE
Packing,preformed
The Walworth Company
Cross-Reference Index
Part NumberManufacturer
334561P01 Howden Fluid Systems (USA)
17-C Imperial (USA)
334561P01 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
334561P01 Meggitt Defense Systems, Inc. Dba Meggitt Western Design (USA)
334561 Howden Fluid Systems (USA)
Related Parts
4730-00-270-4343INTERCHANGEABLE
TRAP,STEAM
1005-00-344-5860INTERCHANGEABLE
EXTRACTOR
17C
5340-00-358-5725INTERCHANGEABLE
CLAMP,LOOP
08100-6304
5330-00-542-1025INTERCHANGEABLE
PACKING,PREFORMED
DS-50028-1PC16-1-1/4 IN

Frequently Asked Questions

What is NSN 4730-01-354-9050?

NSN 4730-01-354-9050 is a Coupling Half,quick Disconnect, manufactured by Howden Fluid Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-354-9050?

NSN 4730-01-354-9050 has 5 cross-referenced part numbers: 334561P01 (Howden Fluid Systems), 17-C (Imperial), 334561P01 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), 334561P01 (Meggitt Defense Systems, Inc. Dba Meggitt Western Design), 334561 (Howden Fluid Systems).

What NSN replaces 4730-01-354-9050?

There are 4 known substitutes for 4730-01-354-9050: 4730-00-270-4343, 1005-00-344-5860, 5340-00-358-5725 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 334561P01?

Key specifications for 334561P01: Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Connection Style: FLARED ALL ENDS; Material: COPPER ALLOY BODY. 9 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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