NSN 6645-01-063-0399

Part Details | MASTER REGULATING CLOCK

6645-01-063-0399 A precision clock having a mechanism for controlling and regulating secondary clocks. It may not have any device for actuating bells or other signals.

Alternate Parts: 217506200, 21750-6200, FE5440A, FE-5440A, TD1251U, TD-1251/U, 583R784H01, 6645-01-063-0399, 01-063-0399, 6645010630399, 010630399

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JUL 26, 197801-063-039904879 ( CLOCK, MASTER REGULATING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6645-01-063-0399
Part Number Cage Code Manufacturer
21750-620014844FREQUENCY ELECTRONICS, INC.
FE-5440A14844FREQUENCY ELECTRONICS, INC.
TD-1251/U80058JOINT ELECTRONICS TYPE DESIGNATIONSYSTEM
583R784H0197942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
Technical Data | NSN 6645-01-063-0399
Characteristic Specifications
SPECIAL FEATURESOUTPUTS:SECOND MARK, REAL TIME DATA (RTD), RTD TRANSFER CLOCK, REAL TIME TRANSFER GATE, 1 MHZ SINUSOIDAL, 1 FRONT, 5 MHZ SINUSOIDAL, 1 FRONT, 3 MHZ SQUARE WAVE; 3.01 0.5 VOLTS, PEAT-TO-PEAK INTO A 75 OHM LOAD, USES CESIUM BEAM FREQUENCY STANDARD AND INTERNAL BATTERY IN PORTABLE CASE