5985-00-710-4500 (2513-SPEC)
NSN 5985-00-710-4500 (NIIN 00-710-4500) 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 2513-SPEC (Meggitt (New Hampshire), Inc, CAGE 58880); also referenced as 821567 (L3 Aviation Products, Inc.).
Key specs: 1.5 W average power; 0 to 1 MHz frequency range; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $55.57 gov standard price; export Schedule B 8529.10.9000.