NSN 5985-00-764-2555
Part Details | VARIABLE ATTENUATOR
5985-00-764-2555 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).
Alternate Parts: AU10AM0D, 72385113, 723851-13, 5985-00-764-2555, 00-764-2555, 5985007642555, 007642555
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | MAR 15, 1968 | 00-764-2555 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
COAXIAL TYPE

Cross Reference | NSN 5985-00-764-2555
Part Number | Cage Code | Manufacturer |
---|---|---|
AU10AM0D | 12457 | MERRIMAC INDUSTRIES, INC. |
723851-13 | 05869 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5985-00-764-2555
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | TRANSMISSION LINE |
FREQUENCY RANGE | 2.900 GIGAHERTZ MINIMUM AND 3.300 GIGAHERTZ MAXIMUM |
IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
VOLTAGE STANDING WAVE RATIO | 1.50 |
POWER RATING | 25.0 WATTS AVERAGE |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P60.0 |
ATTENUATION VARIATION METHOD | CONTINUOUS |
BODY STYLE | COAXIAL TYPE |
OVERALL LENGTH | 7.840 INCHES NOMINAL |
OVERALL HEIGHT | 2.846 INCHES NOMINAL |
OVERALL WIDTH | 2.160 INCHES NOMINAL |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
SHAFT TYPE | ROUND, SLOTTED |
SHAFT DIAMETER | 0.250 INCHES NOMINAL |
SHAFT LENGTH | 0.686 INCHES NOMINAL |
TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
COAXIAL CONNECTOR SERIES DESIGNATION | N |
MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |
MOUNTING THREAD QUANTITY | 32 PER INCH |
MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.120 INCHES NOMINAL |
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.750 INCHES NOMINAL |