PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20343-1Coupling Half,quick Disconnect

Aerocontrolex Group, Inc. · NSN 4730-00-541-7319 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-7319 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-7319. Primary manufacturer part number: 20343-1.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Mating End Identification: EASTERN AIRCRAFT PRODUCTS DIV OF WEATHERHEAD CO SOCKET HALF,PART NO.20342-1
  • Thread Series Designator: UN ALL ENDS
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Thread Class: 3A ALL ENDS A
  • Material: ALUMINUM ALLOY BODY
  • Seat Angle: 37.0 DEGREES
  • Quick Disconnect Method: TWIST-LOCK ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-541-7319, 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 Aerocontrolex Group, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-541-7319
Primary Part Number20343-1
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAerocontrolex Group, Inc.
StatusACTIVE
Mating End IdentificationEASTERN AIRCRAFT PRODUCTS DIV OF WEATHERHEAD CO SOCKET HALF,PART NO.20342-1
Thread Series DesignatorUN ALL ENDS
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Thread Class3A ALL ENDS A
MaterialALUMINUM ALLOY BODY
Seat Angle37.0 DEGREES
Quick Disconnect MethodTWIST-LOCK ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Style DesignatorMALE COUPLING HALF
Thread Quantity Per Inch12 ALL ENDS
Connection StyleFLARED ALL ENDS
Surface TreatmentANODIZE BODY
Nominal Outside Diameter Tube Accommodated1.000 INCHES ALL ENDS IN
Features ProvidedSAFETY LOCKING FEATURE
Nominal Thread Size1.312 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-052-6900 INTERCHANGEABLE
Washer,flat
2520-00-737-83363431 INTERCHANGEABLE
Gear Transmission
Clark Material Handling Company
Cross-Reference Index
Part NumberManufacturer
20343-1 PRIMARY Aerocontrolex Group, Inc. (USA)
405-20343-1 Aerocontrolex Group, Inc. (USA)
Related Parts
5310-00-052-6900INTERCHANGEABLE
WASHER,FLAT
2520-00-737-8336INTERCHANGEABLE
GEAR TRANSMISSION
3431

Frequently Asked Questions

What is NSN 4730-00-541-7319?

NSN 4730-00-541-7319 is a Coupling Half,quick Disconnect, manufactured by Aerocontrolex Group, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-7319?

NSN 4730-00-541-7319 has 2 cross-referenced part numbers: 20343-1 (Aerocontrolex Group, Inc.), 405-20343-1 (Aerocontrolex Group, Inc.).

What NSN replaces 4730-00-541-7319?

There are 2 known substitutes for 4730-00-541-7319: 5310-00-052-6900, 2520-00-737-8336. Verify interchangeability with system specifications before substitution.

What are the specifications of 20343-1?

Key specifications for 20343-1: Mating End Identification: EASTERN AIRCRAFT PRODUCTS DIV OF WEATHERHEAD CO SOCKET HALF,PART NO.20342-1; Thread Series Designator: UN ALL ENDS; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Thread Class: 3A ALL ENDS A. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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