PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

176050Coupling Half,quick Disconnect

Fountainhead Group Inc Div the Fountainhead Group, Inc. · NSN 4730-01-057-4210 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-057-4210 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-057-4210. Primary manufacturer part number: 176050.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material: STEEL BODY
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • 10 verified cross-references
  • Primary manufacturer: Fountainhead Group Inc Div the Fountainhead Group, Inc.
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-057-4210, 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 Fountainhead Group Inc Div the Fountainhead Group, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-057-4210
Primary Part Number176050
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFountainhead Group Inc Div the Fountainhead Group, Inc.
StatusACTIVE
MaterialSTEEL BODY
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Nominal Thread Size0.375 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6635-00-760-5448NSN-5448 INTERCHANGEABLE
Light,ultraviolet,metals Examini
Spectronics Corporation
5815-00-887-6515176050 INTERCHANGEABLE
Container
Telemechanics Inc
5905-01-105-98167117380-1 INTERCHANGEABLE
Resistor Network,fixed,film
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
NFES 0429 Forest Service Specifications Promulgated by United States Forest Service Washington DC
B15N Parker-Hannifin Corporation Div Quick Coupling Division (USA)
B14N Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA)
176050 PRIMARY Fountainhead Group Inc Div the Fountainhead Group, Inc. (USA)
C5 Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann (USA)
B14N Parker-Hannifin Corporation Div Quick Coupling Division (USA)
C5 Amflo Products (USA)
C6 Amflo Products (USA)
144-440 PRIMARY H.d. Hudson Manufacturing Company Div Professional Division (USA)
5100-257 PAR 3.2.3.7 Forest Service Specifications Promulgated by United States Forest Service Washington DC
Related Parts
6635-00-760-5448INTERCHANGEABLE
LIGHT,ULTRAVIOLET,METALS EXAMINI
NSN-5448
5815-00-887-6515INTERCHANGEABLE
CONTAINER
176050
5905-01-105-9816INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
7117380-1

Frequently Asked Questions

What is NSN 4730-01-057-4210?

NSN 4730-01-057-4210 is a Coupling Half,quick Disconnect, manufactured by Fountainhead Group Inc Div the Fountainhead Group, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-057-4210?

NSN 4730-01-057-4210 has 10 cross-referenced part numbers: NFES 0429 (Forest Service Specifications Promulgated by United States Forest Service Washington DC), B15N (Parker-Hannifin Corporation Div Quick Coupling Division), B14N (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 176050 (Fountainhead Group Inc Div the Fountainhead Group, Inc.), C5 (Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann) and 5 more.

What NSN replaces 4730-01-057-4210?

There are 3 known substitutes for 4730-01-057-4210: 6635-00-760-5448, 5815-00-887-6515, 5905-01-105-9816. Verify interchangeability with system specifications before substitution.

What are the specifications of 176050?

Key specifications for 176050: Material: STEEL BODY; Special Features: THREADED ON ONE END, 3/8 IN., 18 NPT, W/FEMALE QUICK-DISCONNECT SLIP CONNECTOR ON THE OTHER END, QUICK-DISCONNECT END SEALS FLUID IN WHEN DISCONNECTED, MATES TO NSN 4730-01-057-0136 IN; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Nominal Thread Size: 0.375 INCHES ALL ENDS IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com