PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-04-057-114Coupling Half,quick Disconnect

Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters · NSN 4730-01-020-7204 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-020-7204 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-020-7204. Primary manufacturer part number: 6-04-057-114.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Surface Treatment: ANODIZE BODY
  • Connection Style: PLAIN ALL ENDS
  • Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
  • Quick Disconnect Nominal Size: 1.031 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-020-7204, 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 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-020-7204
Primary Part Number6-04-057-114
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTrane U.s. Inc. Dba the Trane Co Div Trane Headquarters
StatusACTIVE
Surface TreatmentANODIZE BODY
Connection StylePLAIN ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Quick Disconnect Nominal Size1.031 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Nominal Thread Size0.500 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Leg Length0.562 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
MaterialALUMINUM ALLOY BODY
Material Document and ClassificationQQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-079-1362 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-079-1364 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-141-3195 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-516-4450 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-517-6827 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-840-0796 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-948-1719 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-007-5981 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-020-4762 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-021-6346 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
6-04-057-114 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
633A-1/2AL Dover Resources Inc Dba Opw Engineered Systems (USA)
633A1-2ALUM Dover Resources Inc Dba Opw Engineered Systems (USA)
633A1-2ALUM Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633A-1/2AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
A-A-59326/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/1-1-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326I11 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/1A-1-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
6-04-057-114 Selas Fluid Processing Corp T-Thermal Co Div (USA)
MIL-C-27487 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27020-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-079-1362INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-079-1364INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-141-3195INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-516-4450INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-517-6827INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-840-0796INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-948-1719INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-007-5981INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-020-4762INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-021-6346INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-073-5852INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-135-5587INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-020-7204?

NSN 4730-01-020-7204 is a Coupling Half,quick Disconnect, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-020-7204?

NSN 4730-01-020-7204 has 12 cross-referenced part numbers: 6-04-057-114 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 633A-1/2AL (Dover Resources Inc Dba Opw Engineered Systems), 633A1-2ALUM (Dover Resources Inc Dba Opw Engineered Systems), 633A1-2ALUM (Opw Fueling Components Inc. Div Opw Fueling Components), 633A-1/2AL (Opw Fueling Components Inc. Div Opw Fueling Components) and 7 more.

What NSN replaces 4730-01-020-7204?

There are 12 known substitutes for 4730-01-020-7204: 4730-00-079-1362, 4730-00-079-1364, 4730-00-141-3195 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-04-057-114?

Key specifications for 6-04-057-114: Surface Treatment: ANODIZE BODY; Connection Style: PLAIN ALL ENDS; Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Quick Disconnect Nominal Size: 1.031 INCHES ALL ENDS IN. 14 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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