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 |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
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 |
|---|---|---|
| AJDB | POWER RATING | 10.0 WATTS AVERAGE |
| ABMK | OVERALL WIDTH | 5.360 INCHES NOMINAL |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.250 INCHES |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+60.0 |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| ABKW | OVERALL HEIGHT | 6.530 INCHES NOMINAL |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 4.750 INCHES NOMINAL |
| AKPT | WAVEGUIDE FLANGE TYPE | COVER |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.15 |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 2.380 INCHES NOMINAL |
| BNGR | FREQUENCY RANGE | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 1.0 |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| CGGK | MOUNTING THREAD QUANTITY | 20 PER INCH |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| AAFZ | BODY MATERIAL | ALUMINUM |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-135/U |
| ABHP | OVERALL LENGTH | 8.750 INCHES NOMINAL |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |