5985-00-790-7553 (107258)
NSN 5985-00-790-7553 (NIIN 00-790-7553) is a waveguide assembly in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — an item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. Manufacturer part number 107258 (Frontgrade Technologies Inc., CAGE 66544); also referenced as 211553 (Northrop Grumman Systems Corp).
Key specs: 1.16 voltage standing wave ratio; 15 psi gauge (psig) maximum operating pressure; full characteristics table below. NIIN assigned March 1968; ESD/EMI-sensitive; export Schedule B 8529.10.9000.