5810-01-041-6030 (MDL)
NSN 5810-01-041-6030 (NIIN 01-041-6030) is a data modem in Federal Supply Class 5810, Communications Security Equipment And Components. Manufacturer part number MDL; also referenced as MDL FXM 40 (Ricoh Americas Corporation).
NIIN assigned May 1977; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $0.99 gov standard price.