PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4615Coupling Half,quick Disconnect

Fluid Power, Inc. · NSN 4730-00-821-2481 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-821-2481 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-821-2481. Primary manufacturer part number: 4615.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material Document and Classification: QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Connection Style: BEADED ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Material: ALUMINUM ALLOY BODY
  • Features Provided: SELF-SEALING
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-821-2481, 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 Fluid Power, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN4730-00-821-2481
Primary Part Number4615
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFluid Power, Inc.
StatusCANCELLED
Material Document and ClassificationQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Connection StyleBEADED ALL ENDS
Style DesignatorMALE COUPLING HALF
MaterialALUMINUM ALLOY BODY
Features ProvidedSELF-SEALING
Surface TreatmentANODIZE BODY
Quick Disconnect MethodPUSH-PULL ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-077-0279191091-HC INTERCHANGEABLE
Switch Section,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
4210-00-134-89614615 INTERCHANGEABLE
Cartridge Assembly
Tyco Fire Products Lp
3110-00-155-95501297120 INTERCHANGEABLE
Bearing,ball,annular
Westinghouse Electric Corp
5935-00-255-99684615 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Keystone Electronics Corp
5315-00-298-35344615 INTERCHANGEABLE
Pin,straight,headless
Brinkley Technology Group Llc Dba Hercules Manufacturing
5305-00-796-02674-61-5 INTERCHANGEABLE
Screw,machine
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
8475-00-919-2074 INTERCHANGEABLE
Coupling Assembly,a
5910-00-958-3259 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
3020-01-131-192646-1-5 INTERCHANGEABLE
Gear,drive Motion
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
6750-01-433-6609 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
4615 PRIMARY Fluid Power, Inc. (USA)
MS22011-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
53B3751 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
MS22011-2 Echo Industries, Inc. Dba Echo Industries Div Echo Industries (USA)
64A91E1-1 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
MS22011-2 Air-Lock, Incorporated (USA)
9977-01 Air-Lock, Incorporated (USA)
Related Parts
5930-00-077-0279INTERCHANGEABLE
SWITCH SECTION,ROTARY
191091-HC
4210-00-134-8961INTERCHANGEABLE
CARTRIDGE ASSEMBLY
4615
3110-00-155-9550INTERCHANGEABLE
BEARING,BALL,ANNULAR
1297120
5935-00-255-9968INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4615
5315-00-298-3534INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4615
5305-00-796-0267INTERCHANGEABLE
SCREW,MACHINE
4-61-5
8475-00-919-2074INTERCHANGEABLE
COUPLING ASSEMBLY,A
5910-00-958-3259INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
3020-01-131-1926INTERCHANGEABLE
GEAR,DRIVE MOTION
46-1-5
6750-01-433-6609INTERCHANGEABLE
FILM,PHOTOGRAPHIC
3040-01-438-4928INTERCHANGEABLE
SHAFT,SHOULDERED
6515-01-563-5307INTERCHANGEABLE
CANNULA KIT,ARTHROSCOPIC
4615

Frequently Asked Questions

What is NSN 4730-00-821-2481?

NSN 4730-00-821-2481 is a Coupling Half,quick Disconnect, manufactured by Fluid Power, Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-821-2481?

NSN 4730-00-821-2481 has 7 cross-referenced part numbers: 4615 (Fluid Power, Inc.), MS22011-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 53B3751 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)), MS22011-2 (Echo Industries, Inc. Dba Echo Industries Div Echo Industries), 64A91E1-1 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)) and 2 more.

What NSN replaces 4730-00-821-2481?

There are 12 known substitutes for 4730-00-821-2481: 5930-00-077-0279, 4210-00-134-8961, 3110-00-155-9550 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4615?

Key specifications for 4615: Material Document and Classification: QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION; Connection Style: BEADED ALL ENDS. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-821-2481 still in active supply?

NSN 4730-00-821-2481 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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