PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GR601Coupling Half,quick Disconnect

Tuthill Corp Hansen Coupling Div · NSN 4730-00-334-5756 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-334-5756 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-334-5756. Primary manufacturer part number: GR601.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Features Provided: SELF-SEALINGSELF-SEALING
  • Quick Disconnect Method: PUSH-PULL ALL ENDSPUSH-PULL ALL ENDS
  • Leg Length: 0.407 INCHES NOMINAL0.407 INCHES NOMINAL IN
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDSINTERNAL QUICK DISCONNECT ALL ENDS
  • Nominal Thread Size: 0.125 INCHES ALL ENDS0.125 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 4730-00-334-5756, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-334-5756
Primary Part NumberGR601
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTuthill Corp Hansen Coupling Div
StatusACTIVE
Thread Series DesignatorNPT ALL ENDS
Features ProvidedSELF-SEALINGSELF-SEALING
Quick Disconnect MethodPUSH-PULL ALL ENDSPUSH-PULL ALL ENDS
Leg Length0.407 INCHES NOMINAL0.407 INCHES NOMINAL IN
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDSINTERNAL QUICK DISCONNECT ALL ENDS
Nominal Thread Size0.125 INCHES ALL ENDS0.125 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTIONTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Connection StylePLAIN ALL ENDSPLAIN ALL ENDS
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5930-01-350-9499E-100-027 INTERCHANGEABLE
Switch,toggle
Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc
Cross-Reference Index
Part NumberManufacturer
18969-00 Amron International Inc (USA)
GR-601 Guyson International Ltd (hose & Couplings Division) (GBR)
601 Tuthill Corp Hansen Coupling Div (USA)
GR601 PRIMARY Tuthill Corp Hansen Coupling Div (USA)
18969-00 Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5930-01-350-9499INTERCHANGEABLE
SWITCH,TOGGLE
E-100-027

Frequently Asked Questions

What is NSN 4730-00-334-5756?

NSN 4730-00-334-5756 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-334-5756?

NSN 4730-00-334-5756 has 5 cross-referenced part numbers: 18969-00 (Amron International Inc), GR-601 (Guyson International Ltd (hose & Couplings Division)), 601 (Tuthill Corp Hansen Coupling Div), GR601 (Tuthill Corp Hansen Coupling Div), 18969-00 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 4730-00-334-5756?

There is 1 known substitute for 4730-00-334-5756: 5930-01-350-9499. Verify interchangeability with system specifications before substitution.

What are the specifications of GR601?

Key specifications for GR601: Thread Series Designator: NPT ALL ENDS; Features Provided: SELF-SEALINGSELF-SEALING; Quick Disconnect Method: PUSH-PULL ALL ENDSPUSH-PULL ALL ENDS; Leg Length: 0.407 INCHES NOMINAL0.407 INCHES NOMINAL IN. 12 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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