5985-01-058-7826 (3MS-3)
NSN 5985-01-058-7826 (NIIN 01-058-7826) is a fixed attenuator in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — a device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion. Manufacturer part number 3MS-3 (Spectrum Control Inc, CAGE 93459); also referenced as M3933/14-01H, M3933/15-01, MIL-A-3933/15 (Military Specifications); 989C380H01 (Northrop Grumman Systems Corporation); A379ES (Caes Systems LLC).
Key specs: 1.251.25 voltage standing wave ratio; 50.050 input impedance in ohms; -55 to 85 °C-55 to 85 °C operating range; full characteristics table below. NIIN assigned April 1978; DEMIL A (none required); export Schedule B 8529.10.9000. Supersedes 5985-01-068-9958 (1982); related NSN 5985-01-040-4184.