PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27027-19Coupling Half,quick Disconnect

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-983-6789 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-983-6789 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-983-6789. Primary manufacturer part number: MS27027-19.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Surface Treatment: ANODIZE BODY
  • Bolt Hole Quantity: 12
  • Basic Shape Style: ROUND FIRST FLUID END CONNECTION
  • Material Document and Classification: QQ-A-601,CL 3M,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Bolt Hole Nominal Diameter: 0.438 INCHES IN
  • Quick Disconnect Nominal Size: 6.000 INCHES ALL ENDS IN
  • Material: ALUMINUM ALLOY BODY
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-983-6789, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-983-6789
Primary Part NumberMS27027-19
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Surface TreatmentANODIZE BODY
Bolt Hole Quantity12
Basic Shape StyleROUND FIRST FLUID END CONNECTION
Material Document and ClassificationQQ-A-601,CL 3M,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
Bolt Hole Nominal Diameter0.438 INCHES IN
Quick Disconnect Nominal Size6.000 INCHES ALL ENDS IN
MaterialALUMINUM ALLOY BODY
Connection StylePLAIN ALL ENDS
Nominal Outside Diameter8.875 INCHES IN
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Style DesignatorMALE COUPLING HALF
Specification/standard Data96906-MS27027 GOVERNMENT STANDARD
Bolt Circle Nominal Diameter8.125 INCHES IN
Nondefinitive Spec/std Data8 TYPE AND 1 CLASS
Leg Length4.500 INCHES NOMINAL IN
Mounting Flange LocationFIRST LEG
Connection TypeFLANGE FIRST FLUID END CONNECTION
Nominal Thickness0.375 INCHES IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5330-00-088-9166 INTERCHANGEABLE
Gasket
4730-00-840-5348 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-889-2378 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-186-0818 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-644-8092 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
MS27027-19 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A-59326/8C Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326VII15 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/8-5-SS-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/8 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633LBT-6AL Dover Resources Inc Dba Opw Engineered Systems (USA)
MS27027-19 Dvcc, Llc (USA)
AA59326/8-5-A-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633LBT-6AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
MILC27487 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA59326/8-3-SS-1 (DASH 5 SUFFIX) Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
600-DLT Dvcc, Llc (USA)
633LBT6IN Opw Fueling Components Inc. Div Opw Fueling Components (USA)
Related Parts
5330-00-088-9166INTERCHANGEABLE
GASKET
4730-00-840-5348INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-889-2378INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-186-0818INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-644-8092INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-983-6789?

NSN 4730-00-983-6789 is a Coupling Half,quick Disconnect, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-983-6789?

NSN 4730-00-983-6789 has 13 cross-referenced part numbers: MS27027-19 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A-A-59326/8C (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326VII15 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326/8-5-SS-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/8 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 8 more.

What NSN replaces 4730-00-983-6789?

There are 5 known substitutes for 4730-00-983-6789: 5330-00-088-9166, 4730-00-840-5348, 4730-00-889-2378 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27027-19?

Key specifications for MS27027-19: Surface Treatment: ANODIZE BODY; Overall Length: 7.250 INCHES NOMINAL IN; Bolt Hole Quantity: 12; Basic Shape Style: ROUND FIRST FLUID END CONNECTION. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-983-6789 still in active supply?

NSN 4730-00-983-6789 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.
PartsTable Design LLC · partstable.com