PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3402-6Coupling Half,quick Disconnect

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-00-720-0890 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-720-0890 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-720-0890. Primary manufacturer part number: 3402-6.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Style: FLARED ALL ENDS
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Thread Class: 3A ALL ENDS A
  • Material: ALUMINUM ALLOY BODY
  • Seat Angle: 37.0 DEGREES
  • Style Designator: MALE COUPLING HALF
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-720-0890, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN4730-00-720-0890
Primary Part Number3402-6
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusCANCELLED
Connection StyleFLARED ALL ENDS
Quick Disconnect MethodPUSH-PULL ALL ENDS
Thread Class3A ALL ENDS A
MaterialALUMINUM ALLOY BODY
Seat Angle37.0 DEGREES
Style DesignatorMALE COUPLING HALF
Thread Series DesignatorUNF ALL ENDS
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Nominal Thread Size0.562 INCHES ALL ENDS IN
Surface TreatmentANODIZE BODY
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Features ProvidedSELF-SEALING
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3030-00-006-622734026 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5130-00-221-8011 INTERCHANGEABLE
Socket,socket Wrench
5330-01-329-207934026 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Allied Systems Company Dba Allied Systems Co
5330-01-437-910234-041 INTERCHANGEABLE
Gasket
Honeywell Safety Products Usa, Inc.
8465-01-583-4388 INTERCHANGEABLE
Snap Link,mountain Piton
Cross-Reference Index
Part NumberManufacturer
3402-6 Leonardo Spa Helicopters Division - Production Site (ITA)
272MS137P002 Raytheon Company Dba Raytheon Co (USA)
272MS137P002 Raytheon Company (USA)
134SCH122-123 Northrop Grumman Systems Corporation (USA)
272MS137P002 Raytheon Company Dba Raytheon Co (USA)
BACC10DJBC6W The Boeing Company Div Defense (USA)
3402-6 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
272MS137P002 Raytheon Company Div Corp (USA)
Related Parts
3030-00-006-6227INTERCHANGEABLE
BELT,V
34026
5130-00-221-8011INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-01-329-2079INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
34026
5330-01-437-9102INTERCHANGEABLE
GASKET
34-041
8465-01-583-4388INTERCHANGEABLE
SNAP LINK,MOUNTAIN PITON

Frequently Asked Questions

What is NSN 4730-00-720-0890?

NSN 4730-00-720-0890 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-720-0890?

NSN 4730-00-720-0890 has 8 cross-referenced part numbers: 3402-6 (Leonardo Spa Helicopters Division - Production Site), 272MS137P002 (Raytheon Company Dba Raytheon Co), 272MS137P002 (Raytheon Company), 134SCH122-123 (Northrop Grumman Systems Corporation), 272MS137P002 (Raytheon Company Dba Raytheon Co) and 3 more.

What NSN replaces 4730-00-720-0890?

There are 5 known substitutes for 4730-00-720-0890: 3030-00-006-6227, 5130-00-221-8011, 5330-01-329-2079 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3402-6?

Key specifications for 3402-6: Connection Style: FLARED ALL ENDS; Quick Disconnect Method: PUSH-PULL ALL ENDS; Thread Class: 3A ALL ENDS A; Material: ALUMINUM ALLOY BODY. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-720-0890 still in active supply?

NSN 4730-00-720-0890 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