NSN 5985-00-919-8621
Part Details | VARIABLE ATTENUATOR
5985-00-919-8621 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: 10174504, 5985-00-919-8621, 00-919-8621, 5985009198621, 009198621
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | JAN 01, 1960 | 00-919-8621 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
IRREGULAR

Cross Reference | NSN 5985-00-919-8621
Part Number | Cage Code | Manufacturer |
---|---|---|
10174504 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5985-00-919-8621
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | WAVEGUIDE |
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P17.0 |
ATTENUATION VARIATION METHOD | CONTINUOUS |
BODY STYLE | IRREGULAR |
OVERALL LENGTH | 2.875 INCHES MAXIMUM |
OVERALL HEIGHT | 1.625 INCHES NOMINAL |
OVERALL WIDTH | 2.062 INCHES NOMINAL |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
SHAFT TYPE | ROUND, SLOTTED |
SHAFT DIAMETER | 0.250 INCHES NOMINAL |
SHAFT LENGTH | 1.250 INCHES MAXIMUM |
TERMINAL TYPE AND QUANTITY | 2 FLANGE |
MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
UNTHREADED MOUNTING HOLE DIAMETER | 0.188 INCHES NOMINAL |
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.276 INCHES MINIMUM AND 1.284 INCHES MAXIMUM |
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM |