NR83A5 Strip Nailer. NR83A3 Strip Nailer. NR83A2 Strip Nailer. NR83A 3-1/4" Full Head Nailer. The spare part number for the strip nailer is : 890385, 877323, 877-323, 885-915,885915. Piston Driver Specs: The 890385 piston driver for Hitachi framing nailer is made of aerospace-grade #2024 aluminum, and is constructed with heat-treated tool steel 6150 that boasts a Rockwell hardness of 50-52, exhibiting good toughness and making it difficult to break under high load and impact loads.
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