plus CONN HARDWARE KIT 45594-1132A Large dia O ring, short fat O ring, grease. 3 large screws and 2 small screws and allen hex key.
plus Hardware kit 202853 8 screws, washers, nuts, two rectangular O rings, allen hex key.

Waveguide aperture 0.75 x 0.375 inches.
Flange WR75-CPRG with 8 screw holes.
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2nd Item. Two main parts. Used. Andrew elliptiguide to waveguide transition to rectangular waveguide. Two castings, one with with small fat red O ring in situ.
Air port. The 3 tuning screws set for minimum reflection at 14.25 GHz.
Probably type 2132DCT. Sold as seen below.
The 3 main screws missing. These are slightly larger diameter than regular screws. I have included 3 screws with correct thread but they are shorter than ideal and have cross head!
Waveguide flange WR75 with 4 screw holes.
Waveguide aperture 0.75 x 0.375 inches.

If wanted, please email me eric@satsig.net
All (i.e. both) to be sold in one lot.
Included: Instructional sheet, mainly about carefully shaping the copper end of the elliptical waveguide.
You can find similar items on ebay if you search for ANDREW COMMSCOPE TYPE 2132.