5985-00-331-3759 (8024490)
NSN 5985-00-331-3759 (NIIN 00-331-3759) is a variable attenuator in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — a device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion. Manufacturer part number 8024490 (Us Army Aviation And Missile Command, CAGE 18876); also referenced as G210929-2, T-1000 (Yosemite Investment Inc).
Key specs: 4 W average power; 1000 input-output impedance in ohms; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8529.10.9000.