Hamilton, 15 Gauge, Hat Needle, PN: 90815

The 15 Gauge Hat Needle (PN: 90815) connects directly to flat-bottom valve ports and can be used with any 1/4-28 Hamilton valve when paired with Needle Bushing PN 35056. The needle length is measured from the tip to the start of the installation hardware, with the total length to the back of the hub being the specified length plus 14.22 mm, ensuring the exposed needle length matches the ordered specification. Available in packs of 3, with customizable lengths (10-304mm) and point styles (2,3 or 4).