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Action Coupling and Equipment

Rigid Female to Storz - AAS-137 Series - 2.5" NSTF x 2.5" Storz

SKU#: AG7352525

Estimated delivery 3-4 weeks

Rigid female NST (NSTF) to Storz adapter designed for secure, leak-resistant connections between threaded hose lines and quarter-turn Storz fittings in firefighting and water transfer applications.

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Features

  • Rigid Connection Design: Fixed coupling ensures a secure, stable connection under pressure
  • NST/NH Female Threads: Compatible with standard 2.5" NST (NH) hose connections
  • 2.5" Storz Outlet: Quick-connect Storz coupling enables fast, tool-free hookups
  • Hard-Coated Finish: Durable hard anodized coating for corrosion and wear resistance
  • Rust-Proof Locking Mechanism: Provides reliable engagement and long service life
  • Aluminum Construction: Lightweight yet strong for field use
  • Multiple Thread Options Available: NST/NH, NPSH, and NPT (must be specified when ordering)


What is it?

The AAS‑137 Series adapter is a rigid female-thread to Storz adapter that allows connection between a threaded hose (NST/NH) and a Storz quick-connect coupling. It is designed to bridge incompatible connection types in firefighting and water transfer systems.


How is it used?

  • Thread the 2.5" female NST side onto a compatible hose, hydrant outlet, or appliance
  • Couple the Storz side using a quarter-turn locking motion
  • Once engaged, the adapter provides a secure, leak-resistant transition between connection types


Who uses it?

  • Fire departments
  • Industrial fire brigades
  • Municipal water systems
  • Emergency response teams
  • Equipment maintenance crews


Maintenance Information

  • Inspect gasket regularly for wear or damage
  • Clean threads and Storz lugs after use
  • Lubricate locking surfaces as needed
  • Store in a dry environment
  • Replace if worn or damaged


What is it used with?

  • Fire hoses (2.5" NST/NH)
  • Storz LDH hose lines
  • Hydrant connections
  • Pumps and discharge outlets
  • Manifolds, valves, and appliances


Material

  • Hard-coated aluminum alloy


  • Connection Type: Rigid Female Thread x Storz
  • Inlet Size: 2.5"
  • Inlet Thread: NST (NH) Female
  • Outlet Size: 2.5"
  • Outlet Type: Storz
  • Swivel Option: Not applicable for 2.5" size
  • Finish: Hard coat anodized
  • Locking Feature: Integrated Storz locks (varies by size/configuration)
  • Product Series: AAS‑137