The spring is still nice and tight, the one end extended out, arches back and is threaded. It is not any heavy duty spring as it only weighs around 5 ounces. This is well over AT LEAST a decade old.
eBay
10-50pcs 1/2 inch DN15 Thread Garden Sprinklers Plastic Lawn Watering Sprinkler Head Irrigation Agriculture Sprayers Nozzles Kit
Aliexpress UK
Temperatures range from -53 to 121 degrees C (-65 to 250 degrees F). The long nipple is a pipe fitting with 1/8" male National Pipe Taper (NPT) threads on both ends for connecting and extending two pieces of female pipe.
eBay
4/6/8/10/12/14/16/20/25mm Hose Barb Fittings With 1/2 3/4 Inch Female Thread Water Tube Connector Coupler Joint
Aliexpress UK
Fastener Type: Acorn. We will provide satisfactory after-sales service. Thread Size: 1/2"-20. Thread Type: Unified National Coarse (Unc). Thread Style: Right Hand. Inside Thread Size: #8. Thread Coverage: Unthreaded.
eBay
Copper Equal Diameter Double Outer External Thread 1/2 Conversion 1/4 Variable Diameter 3/8 Turns 1/8 Joint 1 Inch Change 4/3
Aliexpress UK
Available in multiple colours and adjustable sizes, these poles are perfect for hanging curtains and drapes with ease. The elegant ball finials make installation simple and add a refined finish. Elegant Design: Decorative ball finials provide a modern and stylish finish.
eBay
1.2 1.5 2 2.5 3 Inch Thread Plastic Hose Barb Connector 25/26/32/37/48/62/74/86mm Hose Fittings Garden Irrigation Pipe Coupler
Aliexpress UK
Easy to Install: Male thread 1/2PT to female thread 1/2PT, the shower head extension tube pipe fittings are easy to install with sealant tape for connecting and extending shower arm. Arm Length: 25/32"/20mm, Total Length: 1.18"/30mm, Thickness: 0.13"/3.4mm.
eBay
1/8" 1/4" 3/8" 1/2" NPT Female x 1/8 3/16" 5/16" 3/8 1/2 Inch Hose Barb Hosetail Brass Pipe Fitting Connector Coupler Fuel
Aliexpress UK
The Ace Hardware Shower Arm Extender in Chrome is a modern and stylish addition to your bathroom. This screw-in extender is suitable for showers and features a universal connection thread for easy installation. Made of polished chrome material, it is bacteria resistant and provides a water feed from the rear wall. The extender is 10 inches in length and includes one piece in the set, making it a convenient choice for enhancing your shower experience.
eBay
Brass Garden Faucet Hose Tap Water Adapter Connector Fitting 3/4" To 1/2" INCH For 3/4" To 1/2" Faucet Connected With Water Hose
Aliexpress UK
eBay
1/8" 1/4" 3/8" 1/2" NPT Female x 1/8" 3/16" 5/16" 3/8" 1/2" Inch Hose Barb Hosetail Brass Pipe Fitting Connector Coupler Fuel
Aliexpress UK
Integrated Pipe Threading Tool: This pipe threading drill bit includes both internal and external thread cutting for versatile use on 1/2" and 3/4" pipes, making it ideal for plumbing, HVAC and working.
eBay
KESLA 1/2" Drip Irrigation Connectors Kit Coupling Tee Elbow Plug for 1/2 Inch 16mm Tubing Garden Watering Hose Repair Extension
Aliexpress UK