Un543 is a universal conditioning board for a dcss conference bridge
NSN 5996-01-273-3934
NSN 6650-01-656-7266
NSN 5915-00-766-7810
NSN 5999-01-043-5652
NSN 6135-00-269-5843
NSN 6145-01-420-6369
NSN 6610-01-016-3566
NSN 5930-00-166-0361
NSN 5945-01-029-7680
NSN 6685-01-224-4282
NSN 5975-01-062-4314
NSN 6645-01-059-7090
Last Updated: 02/27/2025