PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633C4INCoupling Half,quick Disconnect

Opw Fueling Components Inc. Div Opw Fueling Components · NSN 4730-00-649-7389 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-649-7389 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-649-7389. Primary manufacturer part number: 633C4IN.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Surface Treatment: ANODIZE BODY
  • Furnished Items: GASKET
  • Nominal Inside Diameter Hose Accommodated: 4.000 INCHES ALL ENDS IN
  • Material: ALUMINUM ALLOY BODY
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Leg Length: 4.000 INCHES MINIMUM IN
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-649-7389, 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 Opw Fueling Components Inc. Div Opw Fueling Components. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-649-7389
Primary Part Number633C4IN
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOpw Fueling Components Inc. Div Opw Fueling Components
StatusCANCELLED
Surface TreatmentANODIZE BODY
Furnished ItemsGASKET
Nominal Inside Diameter Hose Accommodated4.000 INCHES ALL ENDS IN
MaterialALUMINUM ALLOY BODY
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Leg Length4.000 INCHES MINIMUM IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Quick Disconnect Nominal Size4.734 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Connection StyleBARBED OR SERRATED END ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-006-7460100R2 TYPE A INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5340-00-044-2410 INTERCHANGEABLE
Clamp,loop
4730-00-083-7196 INTERCHANGEABLE
Coupling Half,quick Disconnect
3110-00-155-66751406 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5210-00-221-208252-472-003 INTERCHANGEABLE
Gage,small Hole
Fred V. Fowler Company, L.l.c.
4730-00-278-5006 INTERCHANGEABLE
Cap,tube
4730-00-444-72584 ECR 4 INTERCHANGEABLE
Cross,tube
Parker-Hannifin Corporation Div Instrumentation Products Division
4730-00-542-4031 INTERCHANGEABLE
Coupling Half,quick Disconnect
3110-00-554-54001045H INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5340-00-565-0011115-10-4 INTERCHANGEABLE
Clamp,loop
Kearfott Corporation Div Guidance and Navigation Division
Cross-Reference Index
Part NumberManufacturer
633C4IN Dover Resources Inc Dba Opw Engineered Systems (USA)
633C-4AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633-C-4 ALUMINUM Dover Resources Inc Dba Opw Engineered Systems (USA)
A-A-59326 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633-C-4 ALUMINUM Opw Fueling Components Inc. Div Opw Fueling Components (USA)
4C Ever Tite Coupling Co Inc (USA)
633C Opw Fueling Components Inc. Div Opw Fueling Components (USA)
400-C-AL Parker Hannifin Canada Div Fluid Connectors Canada (CAN)
633C-4AL Dover Resources Inc Dba Opw Engineered Systems (USA)
A-A-59326A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633C4IN PRIMARY Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633C Dover Resources Inc Dba Opw Engineered Systems (USA)
400-C-AL Dvcc, Llc (USA)
MCD4124ITEM3-8-12-15-17 Quartermaster General (USA)
Related Parts
4720-00-006-7460INTERCHANGEABLE
HOSE,NONMETALLIC
100R2 TYPE A
5340-00-044-2410INTERCHANGEABLE
CLAMP,LOOP
4730-00-083-7196INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3110-00-155-6675INTERCHANGEABLE
BEARING,BALL,ANNULAR
1406
5210-00-221-2082INTERCHANGEABLE
GAGE,SMALL HOLE
52-472-003
4730-00-278-5006INTERCHANGEABLE
CAP,TUBE
4730-00-444-7258INTERCHANGEABLE
CROSS,TUBE
4 ECR 4
4730-00-542-4031INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3110-00-554-5400INTERCHANGEABLE
BEARING,BALL,ANNULAR
1045H
5340-00-565-0011INTERCHANGEABLE
CLAMP,LOOP
115-10-4
4730-00-935-1613INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-007-5981INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-649-7389?

NSN 4730-00-649-7389 is a Coupling Half,quick Disconnect, manufactured by Opw Fueling Components Inc. Div Opw Fueling Components, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-649-7389?

NSN 4730-00-649-7389 has 14 cross-referenced part numbers: 633C4IN (Dover Resources Inc Dba Opw Engineered Systems), 633C-4AL (Opw Fueling Components Inc. Div Opw Fueling Components), 633-C-4 ALUMINUM (Dover Resources Inc Dba Opw Engineered Systems), A-A-59326 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 633-C-4 ALUMINUM (Opw Fueling Components Inc. Div Opw Fueling Components) and 9 more.

What NSN replaces 4730-00-649-7389?

There are 12 known substitutes for 4730-00-649-7389: 4720-00-006-7460, 5340-00-044-2410, 4730-00-083-7196 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633C4IN?

Key specifications for 633C4IN: Surface Treatment: ANODIZE BODY; Furnished Items: GASKET; Nominal Inside Diameter Hose Accommodated: 4.000 INCHES ALL ENDS IN; Material: ALUMINUM ALLOY BODY. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-649-7389 still in active supply?

NSN 4730-00-649-7389 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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