5820-01-014-0590 (28687-74E14N100)
NSN 5820-01-014-0590 (NIIN 01-014-0590) is a switching unit in Federal Supply Class 5820, Radio And Television Communication Equipment, Except Airborne. Manufacturer part number 28687-74E14N100 (Naval Air Warfare Center Aircraft, CAGE 02387); also referenced as SA-1711A/UR (Joint Electronics Type Designation).
NIIN assigned December 1975; DEMIL B (USML, demil required); ships at 1.75 lb / 0.296 cu ft.