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 |
|---|---|
| 87557 | LOCKHEED CORP LOCKHEED ELECTRONICS C |
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 |
|---|---|---|
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 2.031 INCHES NOMINAL |
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| ASYG | STEP POSITION QUANTITY | 9 |
| AFGA | OPERATING TEMP RANGE | +0.0/+70.0 DEG CELSIUS |
| ABMK | OVERALL WIDTH | 1.875 INCHES NOMINAL |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| ASYH | ATTENUATION PER STEP IN DECIBELS | 1.0 AND 3.0 AND 10.0 AND 20.0 AND 5.0 AND 2.0 AND 20.0 AND 20.0 AND 20.0 |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.20 AND 1.40 |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +20.0/+101.0 |
| ABHP | OVERALL LENGTH | 9.750 INCHES NOMINAL |
| AAQL | BODY STYLE | COAXIAL TYPE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 8.240 INCHES MINIMUM AND 8.260 INCHES MAXIMUM |
| BNGR | FREQUENCY RANGE | 0.000 MEGAHERTZ MINIMUM AND 450.000 MEGAHERTZ MAXIMUM |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| ASYF | ATTENUATION VARIATION METHOD | STEPPED |
| CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 9 LEVER |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |