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 |
|---|---|
| 98738 | HERLEY CHICAGO DBA STEWART WARNER EL |
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 |
|---|---|---|
| AEJN | DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 2.688 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | TEST SET EXCEPT SPECIALLY DESIGNED |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.20 AND 1.30 |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
| ABMK | OVERALL WIDTH | 4.157 INCHES MINIMUM AND 4.219 INCHES MAXIMUM |
| CTGG | IMPEDANCE RATING IN OHMS | 51.0 INPUT-OUTPUT |
| ABHP | OVERALL LENGTH | 12.000 INCHES NOMINAL |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, MALE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| ABKW | OVERALL HEIGHT | 2.250 INCHES MINIMUM AND 2.311 INCHES MAXIMUM |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+12.0 |
| CQYJ | MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
| AJDB | POWER RATING | 3.0 KILOWATTS PEAK |
| BNGR | FREQUENCY RANGE | 925.000 MEGAHERTZ MINIMUM AND 1.225 GIGAHERTZ MAXIMUM |
| ABXF | SHAFT LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| CRSJ | SHAFT TYPE | ROUND |
| CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
| AFGA | OPERATING TEMP RANGE | -55.0/+100.0 DEG CELSIUS |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| ABWV | SHAFT DIAMETER | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |