This is the Robart 555RS 90° Pneumatic Nose Gear Strut.

FEATURES: Low profile design accepts a 3/8" or 7/16" diameter RoboStrut
          Belly and firewall mount or rail mounting system
          Aircraft grade aluminum construction

INCLUDES: Robart 555RS 90° Pneumatic Nose Gear Strut with Instructions

REQUIRES: Robart Air Control Kit depending on aircraft setup

SPECS:    Profile: 1-3/16" (31mm)
          Distance/Mounting Hole Centers Widthwise: 1" (25.4mm)
          Distance/Mounting Hole Centers Heightwise: 1-3/8" (35mm)
          Mounting Plate Width: 1-1/2" (38mm)
          Mounting Plate Height: 1-3/4" (45mm)
          Width of Frame on either side of Cylinder: 13/16" (21mm)
          Length of Frame with Cylinder Assembly: 3-7/16" (88mm)

                                                                   jxs 01/18/13
                                                                         ir/jxs