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 |
|---|---|
| 99899 | L-3 COMMUNICATIONS CORPORATION DBA N |
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 |
|---|---|---|
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.50/+0.50 |
| AJDB | POWER RATING | 0.25 MILLIWATTS AVERAGE |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 2.875 INCHES NOMINAL |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SLOTTED SCREW |
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| ASYG | STEP POSITION QUANTITY | 9 |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 TAB, SOLDER LUG |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.125 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 5.000 INCHES NOMINAL |
| AAQL | BODY STYLE | COAXIAL TYPE |
| BNGR | FREQUENCY RANGE | 500.000 MEGAHERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| ABMK | OVERALL WIDTH | 4.188 INCHES NOMINAL |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| ASYH | ATTENUATION PER STEP IN DECIBELS | 3.0 |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+12.0 |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| ASYF | ATTENUATION VARIATION METHOD | STEPPED |
| CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
| ABKW | OVERALL HEIGHT | 4.122 INCHES NOMINAL |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |