Part Number
Part Number:
NSN:
NIIN:
Item Name:
ATTENUATOR , VARIABLE
Definition:
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).
CAGE Information
| Code | Company |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
Federal Supply Class
Title
ANTENNAS, WAVEGUIDES, AND RELATE
Inclusions:
INCLUDES AERIALS; MASTS; TOWER EQUIPMENT; ATTENUATORS; COUPLERS; TRANSMISSION LINES.
Exclusions:
EXCLUDES TOWER STRUCTURES.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.20 |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.4 |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.562 INCHES NOMINAL |
| AJDB | POWER RATING | 0.5 MILLIWATTS AVERAGE |
| ASYH | ATTENUATION PER STEP IN DECIBELS | 1.0 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 3 THREADED HOLE |
| ASYG | STEP POSITION QUANTITY | 102 |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| AAQL | BODY STYLE | COAXIAL TYPE |
| ABKW | OVERALL HEIGHT | 2.590 INCHES NOMINAL |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 2 SHAFT |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+102.0 |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| CQYJ | MOUNTING FACILITY PATTERN | THREE POSITION CIRCULAR |
| ABMK | OVERALL WIDTH | 3.380 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 5.590 INCHES NOMINAL |
| CRSJ | SHAFT TYPE | ROUND |
| BNGR | FREQUENCY RANGE | 0.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM |
| ASYF | ATTENUATION VARIATION METHOD | STEPPED |
| CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 2.500 INCHES NOMINAL |
| ABWV | SHAFT DIAMETER | 0.250 INCHES NOMINAL |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |