5980-01-267-4853 (41181-001-00-3)
NSN 5980-01-267-4853 (NIIN 01-267-4853) is an optoelectronic coupler in Federal Supply Class 5980, Optoelectronic Devices And Associated Hardware — a device containing one or more light sources (either incandescent, glow, or solid state. Manufacturer part number 41181-001-00-3 (Bae Systems Maritime Services, CAGE KC1M9); also referenced as 4N27 (Texas Instruments Incorporated).
NIIN assigned November 1987; DEMIL Q (Commerce Control List); export Schedule B 8541.40.9500. Related NSN 5980-01-023-1623.