PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633LAT-1.5X3ALCoupling Half,quick Disconnect

Dover Resources Inc Dba Opw Engineered Systems · NSN 4730-00-889-2380 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-889-2380 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-889-2380. Primary manufacturer part number: 633LAT-1.5X3AL.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Basic Shape Style: ROUND FIRST FLUID END CONNECTION
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
  • Bolt Hole Quantity: 8
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Leg Length: 0.375 INCHES NOMINAL IN
  • Nominal Thickness: 0.375 INCHES IN
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-889-2380, 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 Dover Resources Inc Dba Opw Engineered Systems. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-889-2380
Primary Part Number633LAT-1.5X3AL
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDover Resources Inc Dba Opw Engineered Systems
StatusCANCELLED
Basic Shape StyleROUND FIRST FLUID END CONNECTION
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Bolt Hole Quantity8
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length0.375 INCHES NOMINAL IN
Nominal Thickness0.375 INCHES IN
Connection TypeFLANGE FIRST FLUID END CONNECTION
Connection StylePLAIN ALL ENDS
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Bolt Hole Nominal Diameter0.437 INCHES IN
Style DesignatorMALE COUPLING HALF
Surface TreatmentANODIZE BODY
Nondefinitive Spec/std DataA STYLE AND 4 TYPE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Bolt Circle Nominal Diameter4.875 INCHES IN
MaterialALUMINUM ALLOY BODY
Nominal Outside Diameter5.625 INCHES IN
Quick Disconnect Nominal Size3.234 INCHES ALL ENDS IN
Material Document and ClassificationQQ-A-601,T51 OR T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4730-00-402-5955 INTERCHANGEABLE
Coupling Half,quick Disconnect
5330-00-551-4572 INTERCHANGEABLE
Gasket
4730-00-840-5347 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-186-0816 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-416-1533 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-518-8444 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-664-6169 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
633LAT-1.5X3AL Dover Resources Inc Dba Opw Engineered Systems (USA)
AA58326/4-3-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633LAT1-1-2X3 Opw Fueling Components Inc. Div Opw Fueling Components (USA)
MS27023-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
633LAT-1.5X3AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
MIL-C-27487 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA59326/4-3-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA58326/4A-3-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633-LAT Dover Resources Inc Dba Opw Engineered Systems (USA)
300-AL-AL Dvcc, Llc (USA)
633-LAT Opw Fueling Components Inc. Div Opw Fueling Components (USA)
Related Parts
4730-00-402-5955INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5330-00-551-4572INTERCHANGEABLE
GASKET
4730-00-840-5347INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-186-0816INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-416-1533INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-518-8444INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-664-6169INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-889-2380?

NSN 4730-00-889-2380 is a Coupling Half,quick Disconnect, manufactured by Dover Resources Inc Dba Opw Engineered Systems, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-889-2380?

NSN 4730-00-889-2380 has 12 cross-referenced part numbers: 633LAT-1.5X3AL (Dover Resources Inc Dba Opw Engineered Systems), AA58326/4-3-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 633LAT1-1-2X3 (Opw Fueling Components Inc. Div Opw Fueling Components), MS27023-15 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 633LAT-1.5X3AL (Opw Fueling Components Inc. Div Opw Fueling Components) and 7 more.

What NSN replaces 4730-00-889-2380?

There are 7 known substitutes for 4730-00-889-2380: 4730-00-402-5955, 5330-00-551-4572, 4730-00-840-5347 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633LAT-1.5X3AL?

Key specifications for 633LAT-1.5X3AL: Overall Length: 3.250 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN; Basic Shape Style: ROUND FIRST FLUID END CONNECTION; Quick Disconnect Method: CAM-LOCKING ALL ENDS; Bolt Hole Quantity: 8. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-889-2380 still in active supply?

NSN 4730-00-889-2380 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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