What is the part number # for the 9K throw member/spacer? March 02, 2016 16:55 Updated Answer Throw member = B54200 6 pin Spacer = A06831 Applies To 9K Additional Information B54200 comes with 6 pin spacer Related articles BEST Throw Members QED/QET/QRT 300 Series Exit Device and Trim 9K Grade 1 Cylindrical Locks What is the part number for the throw member/spacer on the 8K?