2800 hz sf signaling frequency; relay rack mounting
No other part numbers with same form, fit, and function found.
A telephone circuit consisting primarily of telephone relays and associated telephone equipment designed for use in connection with a straight-forward trunk circuit to provide straight-forward signaling facilities on a two wire basis where telephone carrier equipment is not used.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 5930-01-010-7854
NSN 6610-01-525-7266
NSN 6240-01-361-3499
NSN 5965-01-576-6975
NSN 5915-00-013-0148
NSN 5855-00-482-9876
NSN 5975-01-433-2169
NSN 5965-01-187-8574
NSN 5996-00-961-8076
NSN 6610-00-540-8911
NSN 5930-00-012-5380
NSN 6130-01-248-0624