PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633LAT4INALCoupling Half,quick Disconnect

Dover Resources Inc Dba Opw Engineered Systems · NSN 4730-00-840-5347 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-840-5347 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-840-5347. Primary manufacturer part number: 633LAT4INAL.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Outside Diameter: 6.625 INCHES IN
  • Surface Treatment: ANODIZE BODY
  • Bolt Circle Nominal Diameter: 5.875 INCHES IN
  • Nominal Thickness: 0.375 INCHES IN
  • Basic Shape Style: ROUND FIRST FLUID END CONNECTION
  • Material: ALUMINUM ALLOY BODY
  • Quick Disconnect Nominal Size: 4.000 INCHES ALL ENDS IN
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-840-5347, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 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
NSN4730-00-840-5347
Primary Part Number633LAT4INAL
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDover Resources Inc Dba Opw Engineered Systems
StatusCANCELLED
Nominal Outside Diameter6.625 INCHES IN
Surface TreatmentANODIZE BODY
Bolt Circle Nominal Diameter5.875 INCHES IN
Nominal Thickness0.375 INCHES IN
Basic Shape StyleROUND FIRST FLUID END CONNECTION
MaterialALUMINUM ALLOY BODY
Quick Disconnect Nominal Size4.000 INCHES ALL ENDS IN
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Leg Length0.375 INCHES NOMINAL IN
Connection TypeFLANGE FIRST FLUID END CONNECTION
Bolt Hole Quantity8
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Connection StylePLAIN ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TY 2,CL 1 OR 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Nondefinitive Spec/std Data2 TYPE
Material Document and ClassificationQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Bolt Hole Nominal Diameter0.438 INCHES IN
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-402-5955 INTERCHANGEABLE
Coupling Half,quick Disconnect
5330-00-529-601899137464 INTERCHANGEABLE
Packing,preformed
Alfa Laval Inc
5330-00-551-4572 INTERCHANGEABLE
Gasket
4730-00-840-5348 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-842-085013200E0803 INTERCHANGEABLE
Manifold Assembly,hose Line,type
Cecom Lr Center
4730-00-842-085113200E0068 INTERCHANGEABLE
Manifold Assembly,hose Line,type
Cecom Lr Center
4730-00-889-2380 INTERCHANGEABLE
Coupling Half,quick Disconnect
5330-01-061-198054263 INTERCHANGEABLE
Gasket
L3 Technologies, Inc. Div L3 Keo
4730-01-186-0816 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-416-1533 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
633LAT4INAL Dover Resources Inc Dba Opw Engineered Systems (USA)
C13200E0068 Chief of Engineers Dept of Army (USA)
633LAT4INAL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
54263 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
37464 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
633LAT-4AL Dover Resources Inc Dba Opw Engineered Systems (USA)
633LAT-4AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
11668098-1 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
AA59326/4A-4-A-1 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)
MS27023-17 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
11668098 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
C13200E0803 Chief of Engineers Dept of Army (USA)
MIL-C-27487 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-402-5955INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5330-00-529-6018INTERCHANGEABLE
PACKING,PREFORMED
99137464
5330-00-551-4572INTERCHANGEABLE
GASKET
4730-00-840-5348INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-842-0850INTERCHANGEABLE
MANIFOLD ASSEMBLY,HOSE LINE,TYPE
13200E0803
4730-00-842-0851INTERCHANGEABLE
MANIFOLD ASSEMBLY,HOSE LINE,TYPE
13200E0068
4730-00-889-2380INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5330-01-061-1980INTERCHANGEABLE
GASKET
54263
4730-01-186-0816INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-416-1533INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-518-8444INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
1610-01-585-7765INTERCHANGEABLE
HUB,PROPELLER,AIRCRAFT
54263

Frequently Asked Questions

What is NSN 4730-00-840-5347?

NSN 4730-00-840-5347 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 4730-00-840-5347?

NSN 4730-00-840-5347 has 14 cross-referenced part numbers: 633LAT4INAL (Dover Resources Inc Dba Opw Engineered Systems), C13200E0068 (Chief of Engineers Dept of Army), 633LAT4INAL (Opw Fueling Components Inc. Div Opw Fueling Components), 54263 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 37464 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.) and 9 more.

What NSN replaces 4730-00-840-5347?

There are 12 known substitutes for 4730-00-840-5347: 4730-00-402-5955, 5330-00-529-6018, 5330-00-551-4572 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633LAT4INAL?

Key specifications for 633LAT4INAL: Nominal Outside Diameter: 6.625 INCHES IN; Surface Treatment: ANODIZE BODY; Bolt Circle Nominal Diameter: 5.875 INCHES IN; Nominal Thickness: 0.375 INCHES IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-840-5347 still in active supply?

NSN 4730-00-840-5347 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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