threaded flanges for sale, brand-new and used.

I googled the patent number and found the following info. The figures on the patent sketches looks slightly different than the piece. Patent number: US 3497806

WR187 Rotary Waveguide CouplingSpace Machine & Engineering Corp.Mil-Spec M3922 / 62-001 11904Uses include Radio AstronomySatellite CommunicationsSilver PlatedNew OLD ManufactureRound Cover Grooved Flanges w/ 8 Threaded Fastene

Up for bids is WR112 waveguide circulator by Ferrocom. Part number is 729 (277-0303-160) Frequency: 7.750 - 8.500 GHz. Dims: 2-5/8" x 2-1/2" x 1-7/8" Material: Aluminum with irridite finish Flange interface: Cover w.

BRAND NAME " HALLIBURTON " THIS AUCTION IS FOR EIGHT THREADED RODS, NUTS, GASKET FLANGES, AS PER PHOTO FOLIO # 6145000178 NOS, NEW OLD STOCK WIN BIDDER TO CONSIDER 7 (SEVEN) EXTRA SETS WHILE THEY LAST RATED NEW, NEVER USED SEALED PACKAGE WIN BIDDER PAYS $19.00 (UPS),,, PAYPAL OK Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

New old stock 1/4 inch Beam to rod assembly flanges 1/8" to 1/4 inch thick Rod hanger 1/4" inch threaded rod 50 hangers shipped generic box

#336 International Ship Connection Ship connection is for use with 337 shore connection. This 7" OD Flange is threaded with a 2 1/2" female hose thread to match hose threads on ship. Flange is slotted rather than drilled so that it can be used with non standard flanges.

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New in box Taco circulator. Includes        1 1/4 inch threaded flanges. 

Lasco Brand Van Stone Type Flange 854-040 Schedule 80, Class 150 Pipe flanges Flange Van Stone style with PVC ring; spigot Size: 4-inch Schedule 80 PVCs are thicker, stronger, will handle higher pressures, and endure colder climates than Schedule 40 PVCs Schedule 80 PVCs: not for Compressed Air or Gas; conforms to ASTM D 1785; fittings conform to ASTM D 2467; threaded fittings conform to ASTM D 2464

VALVE USED ON STEAM SYSTEM THAT WAS RARELY USED. ALL PARTS IN GOOD CONDITION. THREADED FLANGES ARE ON BOTH ITEMS.

4" Grinnell Series 8000 Butterfly Gate Valve WC-8181-3 WP 250 0-90 Deg In good working order. no instructions or original packaging.I found manuals online @ http://50.244.15.10/techlib/Grinnell/Grinnell%20Butterfly_Valves-8000_Series.pdf

this is a new , unused pump that I picked up at an auction. It has a little surface rust just from sitting in my garage. I have two of these pumps available.