YHM Nielsen Piston | M13.5×1 LH | 9mm | YHM-2060-M

The YHM Nielsen Piston is a replacement piston engineered for pistol suppressor systems and booster housings. Constructed from heat-treated 17-4 stainless steel, the piston is designed for durability and corrosion resistance in routine range and competition use. It features ten adjustment points to help zero any impact shift and is offered in the M13.5×1 left-hand thread pattern for compatible 9mm setups.

Product Specifications

• The part number is YHM-2060-M.
• The model is Nielsen Pistons.
• The manufacturer is Yankee Hill Machine.
• The fit/thread pattern is M13.5X1 LH.
• The NFA thread pattern is 13.5x1mm LH.
• The caliber/gauge is listed as 9mm.
• The material/finish is 17-4 stainless steel.
• The weight is 1.4 oz..
• The piston is compatible with YHM booster housing YHM-2055.
• The piston features 10 adjustment points to help zero impact shift.
• This product is not compatible with the original Sidewinder but will work with Sidewinder M2.
• The package dimensions are 5.45 x 3.20 x 1.35 inches.
• The color is Silver.
• The UPC is 841812101581.

Designed for reliability and repeatable performance, the YHM Nielsen Piston provides a straightforward replacement option for 9mm suppressor-equipped pistols and booster housings. Its 17-4 stainless construction and adjustable indexing make it suitable for routine range work and competitive pistol applications where consistent timing and durability matter.