PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27021-9Coupling Half,quick Disconnect

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-360-0592 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-360-0592 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-360-0592. Primary manufacturer part number: MS27021-9.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 1.484 INCHES ALL ENDS IN
  • Material Document and Classification: QQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
  • Criticality Code Justification: FEAT
  • Leg Length: 2.891 INCHES NOMINAL2.891 INCHES NOMINAL IN
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTIONUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDSEXTERNAL QUICK DISCONNECT ALL ENDS
  • Quick Disconnect Method: CAM-LOCKING ALL ENDSCAM-LOCKING ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-360-0592, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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
NSN4730-00-360-0592
Primary Part NumberMS27021-9
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
Nominal Inside Diameter Hose Accommodated1.484 INCHES ALL ENDS IN
Material Document and ClassificationQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
Criticality Code JustificationFEAT
Leg Length2.891 INCHES NOMINAL2.891 INCHES NOMINAL IN
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTIONUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDSEXTERNAL QUICK DISCONNECT ALL ENDS
Quick Disconnect MethodCAM-LOCKING ALL ENDSCAM-LOCKING ALL ENDS
Connection StyleBARBED OR SERRATED END ALL ENDSBARBED OR SERRATED END ALL ENDS
MaterialALUMINUM ALLOY BODY
Surface TreatmentANODIZE BODY
Style DesignatorMALE COUPLING HALF
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Quick Disconnect Nominal Size1.500 INCHES ALL ENDS1.500 INCHES ALL ENDS IN
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6220-00-168-575067271 INTERCHANGEABLE
Panel,indicating,light Transmitt
Control Products Corporation
5930-00-233-6480229-2V INTERCHANGEABLE
Cover,flush Switch
Hubbell-Raco Inc
4730-00-542-4030 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-649-7388 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-873-4535 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-938-7996 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-949-8291 INTERCHANGEABLE
Coupling Half,quick Disconnect
5305-01-049-906567271 INTERCHANGEABLE
Screw
Mcculloch Corp
4730-01-079-3305 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-079-5807 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
MS27021-9 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
15A107P1 C Systems Llc Dba Craig Systems Dba Eastern Technologies (USA)
6-1-746-8-3A Eidal International Corporation (USA)
AA59326/2-5-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
67271 Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global (USA)
AA59326II-1-5 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA5936II15 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
8611350-125 Warner Robins Air Logistics Center (USA)
Related Parts
6220-00-168-5750INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
67271
5930-00-233-6480INTERCHANGEABLE
COVER,FLUSH SWITCH
229-2V
4730-00-542-4030INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-649-7388INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-873-4535INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-938-7996INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-949-8291INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5305-01-049-9065INTERCHANGEABLE
SCREW
67271
4730-01-079-3305INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-079-5807INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-139-4511INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-164-9254INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-360-0592?

NSN 4730-00-360-0592 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 4730-00-360-0592?

NSN 4730-00-360-0592 has 9 cross-referenced part numbers: MS27021-9 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 15A107P1 (C Systems Llc Dba Craig Systems Dba Eastern Technologies), 6-1-746-8-3A (Eidal International Corporation), AA59326/2-5-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 4730-00-360-0592?

There are 12 known substitutes for 4730-00-360-0592: 6220-00-168-5750, 5930-00-233-6480, 4730-00-542-4030 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27021-9?

Key specifications for MS27021-9: Nominal Inside Diameter Hose Accommodated: 1.484 INCHES ALL ENDS IN; Material Document and Classification: QQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY; Criticality Code Justification: FEAT; Leg Length: 2.891 INCHES NOMINAL2.891 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-360-0592 still in active supply?

NSN 4730-00-360-0592 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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