/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-instrumentation-fan-speed-n1-ge-ametek-8dj176l. Indicator, Fan, Speed, N1 - 8DJ176L[ZD2] Front ViewFigure 1 Rear ViewFigure 2 Specifications Size: 2.187"square x 13"long Mounting: MSP-640003 or eqiv. Receptacle: MS3113H-18-32P Mate: DC26F18-32S...en-USTelligent Community 12