Part Number
Definition:
A SWITCH WHICH IS EXTERNALLY ACTUATED BY A THUMBWHEEL AND/OR PUSHBUTTON. A LEGEND OR MESSAGE IS VISUALLY DISPLAYED AT EACH POSITION OF THE INDICATING WHEEL WHICH CORRESPONDS TO ELECTRICALLY CODED OUTPUT. ELECTRICALLY CODED OUTPUT IS ACHIEVED BY ROTATING A SET OF BRUSH CONTACTS PERMANENTLY ATTACHED TO THE CODE INDICATING WHEEL, AGAINST A STATIONARY COMMUTATOR WHICH IS USUALLY A PRINTED WIRING BOARD HAVING ELECTRICAL PADS OR CONTACTS WHICH ARE INTERCONNECTED BY THE ROTATING BRUSH CONTACTS. MAY HAVE ADDITIONAL ELECTRICAL COMPONENTS (SUCH AS RESISTORS, CAPACITORS, DIODES) PREMOUNTED ON THAT PORTION OF PRINTED WIRING BOARD WHICH EXTENDS BEYOND THE BACK OF SWITCH HOUSING.
CAGE Information
| Code | Company |
|---|---|
| 28687 | NAVY, UNITED STATES DEPARTMENT OF TH |
Federal Supply Class
Title
SWITCHES
Inclusions:
INCLUDES ROTARY, KNIFE, TOGGLE, PUSH BUTTON, MERCURY, THERMOSTATIC, AND DIFFERENTIAL PRESSURE SWITCHES.
Exclusions:
EXCLUDES SWITCHGEAR.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CTZF | READOUT INDICATOR MARKING | SINGLE SECTION |
| AXGY | MOUNTING METHOD | PRINTED CIRCUIT SINGLE MOUNTING FACILITY |
| CQMK | CONTACT VOLTAGE RATING IN VOLTS | 28.0 DC AT SEA LEVEL |
| ABKW | OVERALL HEIGHT | 0.790 INCHES NOMINAL |
| AFGA | OPERATING TEMP RANGE | -65.0/+85.0 DEG CELSIUS |
| CSCF | TERMINAL TYPE | PRINTED CIRCUIT |
| ABFE | HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | MOISTURE RESISTANT AND VIBRATION RESISTANT |
| HUES | COLOR | BLACK SINGLE BODY |
| CTHF | CONTACT LOAD CURRENT RATING | 125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| ABMK | OVERALL WIDTH | 0.790 INCHES NOMINAL |
| AFBH | INDIVIDUAL SECTION QUANTITY | 1 |
| CRJH | SWITCH ACTUATOR INDEXING POSITION QUANTITY | 2 SINGLE ACTUATOR |
| ABHP | OVERALL LENGTH | 0.500 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECTANGULAR INDICATING |
| AYDW | ACTUATOR TYPE | THUMBWHEEL SINGLE ACTUATOR |
| FEAT | SPECIAL FEATURES | TEN POSITION INDICATOR DIAL MECHANICALLY LIMITED TO TWO POSITIONS |
| CTZT | CONTACT ARRANGEMENT TRUTH TABLE | 2 POLE - 2 THROW, 2 COMMONS, 10 POSITIONS SINGLE SECTION |