NSN 5985-00-921-7805
Part Details | VARIABLE ATTENUATOR
5985-00-921-7805 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: B2646, AT302, 549D022, 4A1A4, 1441, B549D022, B4626AT302, B4626-AT302, 5985-00-921-7805, 00-921-7805, 5985009217805, 009217805
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | OCT 31, 1965 | 00-921-7805 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
CYLINDRICAL W/ADJUSTMENT KNOB

Cross Reference | NSN 5985-00-921-7805
Part Number | Cage Code | Manufacturer |
---|---|---|
B2646 | 06181 | PROBESCOPE CO INC |
AT302 | 06181 | PROBESCOPE CO INC |
549D022 | 06181 | PROBESCOPE CO INC |
4A1A4 | 06181 | PROBESCOPE CO INC |
1441 | 06181 | PROBESCOPE CO INC |
B549D022 | 06181 | PROBESCOPE CO INC |
B4626-AT302 | 06181 | PROBESCOPE CO INC |
Technical Data | NSN 5985-00-921-7805
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | TRANSMISSION LINE |
FREQUENCY RANGE | 10.000 HERTZ MINIMUM AND 500.000 KILOHERTZ MAXIMUM |
IMPEDANCE RATING IN OHMS | 600.0 INPUT-OUTPUT |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P10.0 |
ATTENUATION VARIATION METHOD | STEPPED |
STEP POSITION QUANTITY | 11 |
ATTENUATION PER STEP IN DECIBELS | 1.0 |
BODY STYLE | CYLINDRICAL W/ADJUSTMENT KNOB |
OVERALL LENGTH | 7.968 INCHES NOMINAL |
OVERALL DIAMETER | 2.371 INCHES NOMINAL |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
TERMINAL TYPE AND QUANTITY | 2 WIRE LEAD AND 1 THREADED STUD |
MOUNTING FACILITY TYPE AND QUANTITY | 1 BUSHING |
SCALE DIVISION QUANTITY | 10 |
VERNIER SCALE DIVISION QUANTITY | 1 |
OPERATING TEMP RANGE | -28.0 TO +65.0 DEG CELSIUS |