Datasheets for the PDS connector used in Quadra. Base model number is 8807-140-170LH, but compatible connectors were made by Robinson-Nugent and later 3M (they bought Robinson-Nugent). This has been confirmed by properly checking in a Quadra with the QudraFPGA.
KEL-8806-8807-Series-BCE.pdf is the datasheet from KEL (ref: 8807-140-170LH)
RBNGS00040-1.pdf is the datasheet from Robinson-Nugent (ref: P50-140S-RR1 sometimes with a suffix)
IIIMS01904-1.pdf is the datasheet from 3M (ref: P50-140S-RR1 sometimes with a suffix, a.k.a. 7100230423)
KEL-8806-8807-Series-BCE.pdf is the datasheet from KEL (ref: 8807-140-170LH)
RBNGS00040-1.pdf is the datasheet from Robinson-Nugent (ref: P50-140S-RR1 sometimes with a suffix)
IIIMS01904-1.pdf is the datasheet from 3M (ref: P50-140S-RR1 sometimes with a suffix, a.k.a. 7100230423)