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 |
|---|---|---|
| PMLC | PRECIOUS MATERIAL AND LOCATION | BODY RHODIUM AND BODY SILVER |
| PMLC | PRECIOUS MATERIAL AND LOCATION | BODY RHODIUM AND BODY SILVER |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| TEST | TEST DATA DOCUMENT | 18323-990C805H01 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.00 AND 1.15 |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+20.0 |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.169 INCHES MINIMUM |
| ABKW | OVERALL HEIGHT | 2.180 INCHES NOMINAL |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| AKPT | WAVEGUIDE FLANGE TYPE | COVER |
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.20/+0.20 |
| BNGR | FREQUENCY RANGE | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| ABMK | OVERALL WIDTH | 2.780 INCHES NOMINAL |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-39/U |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| AJDB | POWER RATING | 2.0 WATTS AVERAGE |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.280 INCHES NOMINAL |
| ASYP | WAVEGUIDE DESIGNATION | RG-52/U |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.220 INCHES NOMINAL |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| PRMT | PRECIOUS MATERIAL | RHODIUM AND SILVER |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| AFGA | OPERATING TEMP RANGE | +40.0/+115.0 DEG FAHRENHEIT |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |
| ABHP | OVERALL LENGTH | 3.250 INCHES NOMINAL |
| AAFZ | BODY MATERIAL | BRASS |