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 |
|---|---|
| 99971 | LOCKHEED MARTIN CORP NAVAL ELECTRONI |
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 |
|---|---|---|
| ABMK | OVERALL WIDTH | 3.563 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 3.563 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 TERMINAL W/MOUNTING HOLES |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| AKPT | WAVEGUIDE FLANGE TYPE | COVER |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| ABKW | OVERALL HEIGHT | 4.125 INCHES NOMINAL |
| ABKG | BOLT CIRCLE DIAMETER | 1.380 INCHES NOMINAL |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.144 INCHES NOMINAL |
| AJDB | POWER RATING | 1.0 WATTS AVERAGE |
| BNGR | FREQUENCY RANGE | 12.4000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-419/U |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+45.0 |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION CIRCULAR |
| ABHP | OVERALL LENGTH | 4.000 INCHES NOMINAL |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |