National Stock Number (NSN) Output Data
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).
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| VA-423-ALT | 29971 | A | 5 | 2 | 5 | TX | ||
| AR-1/52077 | 12457 | A | 5 | 2 | 6 | TX | ||
| 77C721222P001 | 03538 | A | 3 | 2 | A | TX |
CAGE Information
| Code | Company |
|---|---|
| 03538 | LOCKHEED MARTIN CORPORATION DBA MS2 |
| 29971 | LORCH MICROWAVE INC. DIV DEFENSE AND |
| 12457 | MERRIMAC INDUSTRIES INC |
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 |
|---|---|---|
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 FLANGE W/MOUNTING HOLE |
| ABKW | OVERALL HEIGHT | 2.360 INCHES MAXIMUM |
| AEBW | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 1.000 INCHES NOMINAL |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SLOTTED SCREW |
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| ABMK | OVERALL WIDTH | 2.600 INCHES MAXIMUM |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+20.0 |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.20 |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.6 |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| AAQL | BODY STYLE | COAXIAL TYPE |
| ABHP | OVERALL LENGTH | 2.060 INCHES MAXIMUM |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | TNC |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.144 INCHES NOMINAL |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 2.000 INCHES NOMINAL |
| BNGR | FREQUENCY RANGE | 0.000 HERTZ MINIMUM AND 30.000 MEGAHERTZ MAXIMUM |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| AJDB | POWER RATING | 1.0 WATTS AVERAGE |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| AAFZ | BODY MATERIAL | ALUMINUM ALLOY OR STEEL |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| AFGA | OPERATING TEMP RANGE | -54.0/+85.0 DEG CELSIUS |