| KNOB MANUFACTURER CODE | 82121 |
| SPECIAL FEATURES | ITEM MUST COMPLY WITH RQMT OF DESC PRODUCTION STD NO. L01651 |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| CONTACT VOLTAGE RATING IN VOLTS | 120.0 AC AT SEA LEVEL |
| CONTACT LOAD CURRENT RATING | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| TERMINAL TYPE | TAB W/SCREW |
| SWITCH ACTUATOR INDEXING POSITION QUANTITY | 3 SINGLE ACTUATOR |
| STYLE DESIGNATOR | TAP, CIRCUIT SELECTOR |
| OVERALL LENGTH | 4.531 INCHES NOMINAL |
| OVERALL HEIGHT | 2.500 INCHES NOMINAL |
| OVERALL WIDTH | 2.438 INCHES NOMINAL |
| INDIVIDUAL SECTION QUANTITY | 8 |
| SWITCH CONTACT BASIC DESIGN | NONPILE-UP SYMMETRICAL |
| POLE QUANTITY | 1 EACH SECTION FRONT |
| THROW QUANTITY | 2 EACH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES 1ST SECTION FRONT |
| BREAKS BEFORE MAKES 2ND SECTION FRONT |
| BREAKS BEFORE MAKES 3RD SECTION FRONT |
| MAKES BEFORE BREAKS 4TH SECTION FRONT |
| MAKES BEFORE BREAKS 5TH SECTION FRONT |
| BREAKS BEFORE MAKES 6TH SECTION FRONT |
| BREAKS BEFORE MAKES 7TH SECTION FRONT |
| BREAKS BEFORE MAKES 8TH SECTION FRONT |
| SWITCH ACTUATOR POSITIONING INCREMENT | 90.0 DEGREES SINGLE ACTUATOR |
| SWITCH ACTUATOR MOMENTARY POSITION | CLOCKWISE AND |
| COUNTERCLOCKWISE SINGLE ACTUATOR |
| SWITCH ACTUATOR STOP DEVICE TYPE | FIXED STOP SINGLE ACTUATOR |
| MOUNTING METHOD | BRACKET AND |
| THREADED HOLE SINGLE MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNC SINGLE MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.190 INCHES SINGLE MOUNTING FACILITY |
| THREAD CLASS | 2B SINGLE MOUNTING FACILITY |
| THREAD QUANTITY PER INCH | 24 SINGLE MOUNTING FACILITY |
| MOUNTING FACILITY PATTERN | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| MOUNTING FACILITY CIRCLE RADIUS | 1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY |
| FEATURES PROVIDED | ACTUATOR KNOB |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | EXPLOSION PROOF |