5985-01-089-3230 (500428-6)
NSN 5985-01-089-3230 (NIIN 01-089-3230) 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 500428-6 (L3Harris Technologies, Inc., CAGE 31550); also referenced as FP-50-30 (Trilithic, Inc.); AA-30B (Microlab/Fxr LLC).
Key specs: 1.25 voltage standing wave ratio; 50 input impedance in ohms; -55 to 125 °C operating range; full characteristics table below. NIIN assigned January 1980; unit of issue EA (each), $79.92 gov standard price; export Schedule B 8529.10.9000.