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 |
|---|---|
| 18323 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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 |
|---|---|---|
| TEST | TEST DATA DOCUMENT | 18323-990C799H01 DRAWING |
| TEST | TEST DATA DOCUMENT | 18323-990C799H01 DRAWING |
| ABKW | OVERALL HEIGHT | 3.750 INCHES NOMINAL |
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| BNGR | FREQUENCY RANGE | 0.000 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.250 INCHES NOMINAL |
| ASYH | ATTENUATION PER STEP IN DECIBELS | 1.0 |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| ASYG | STEP POSITION QUANTITY | 12 |
| AAQL | BODY STYLE | COAXIAL TYPE |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.500 INCHES NOMINAL |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+12.0 |
| ABHP | OVERALL LENGTH | 6.000 INCHES NOMINAL |
| AJDB | POWER RATING | 500.0 MILLIWATTS AVERAGE |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.138 INCHES |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| AFGA | OPERATING TEMP RANGE | +40.0/+115.0 DEG CELSIUS |
| ASYF | ATTENUATION VARIATION METHOD | STEPPED |
| CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.35/+0.35 |
| ABMK | OVERALL WIDTH | 2.000 INCHES NOMINAL |