NSN 5985-00-951-1638
Part Details | VARIABLE ATTENUATOR
5985-00-951-1638 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: 3233291, 323329-1, TE50, 8121AWITH9031, 8121A-WITH-9031, 5985-00-951-1638, 00-951-1638, 5985009511638, 009511638
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | APR 27, 1966 | 00-951-1638 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
COAXIAL TYPE

Cross Reference | NSN 5985-00-951-1638
Part Number | Cage Code | Manufacturer |
---|---|---|
323329-1 | 00752 | EDO LLCDIV ANTENNA PRODUCTS |
TE50 | 04423 | TELONIC BERKELEY, INC. |
8121A-WITH-9031 | 04423 | TELONIC BERKELEY, INC. |
Technical Data | NSN 5985-00-951-1638
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | TRANSMISSION LINE |
FREQUENCY RANGE | 0.000 HERTZ MINIMUM AND 900.000 MEGAHERTZ MAXIMUM |
IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
VOLTAGE STANDING WAVE RATIO | 1.30 |
POWER RATING | 1.0 WATTS AVERAGE |
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.2 |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P50.0 |
ATTENUATION VARIATION METHOD | STEPPED |
STEP POSITION QUANTITY | 6 |
ATTENUATION PER STEP IN DECIBELS | 10.0 |
BODY STYLE | COAXIAL TYPE |
OVERALL LENGTH | 3.218 INCHES NOMINAL |
OVERALL HEIGHT | 2.500 INCHES NOMINAL |
OVERALL WIDTH | 2.343 INCHES NOMINAL |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.112 INCHES |
MOUNTING THREAD QUANTITY | 40 PER INCH |
MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.250 INCHES NOMINAL |