Technical Specifications of NSN
Thread Class:
2b 1st mounting facility
Hazardous Locations/environmental Protection:
Dustproof
Overall Length:
7.781 inches
Overall Height:
4.375 inches
Overall Width:
4.375 inches
First Flat Length:
0.875 inches single actuator
Flat Height:
0.200 inches single actuator
Shaft Diameter:
0.250 inches single actuator
Shaft Length:
1.125 inches single actuator
Unthreaded Mounting Hole Diameter:
0.307 inches 2nd mounting facility and 0.312 inches 2nd mounting facility
Individual Section Quantity:
9
Knob Manufacturer Code:
82121
Knob Manufacturer Part Number:
A
Longest Horizontal Distance Between Mounting Centers:
2.281 inches 1st mounting facility
Longest Vertical Distance Between Mounting Centers:
2.281 inches 1st mounting facility
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 each section rear
Throw Quantity:
3 each section rear
Mounting Method:
Bracket 1st mounting facility and threaded hole 1st mounting facility
Mounting Method:
Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
Features Provided:
Actuator knob
Thready Qty Per Inch (tpi):
20 1st mounting facility
Thread Size:
0.250 inches 1st mounting facility
Contact Voltage Rating In Volts:
125.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts:
500.0 highest ac voltage rating at sea level
Mounting Facility Pattern:
Four position rectangular 1st mounting facility
Switch Actuator Indexing Position Quantity:
3 single actuator
Shaft Type:
Round, flatted, threaded hole single actuator
Terminal Type:
Tab w/screw
Contact Switching Action:
Makes before breaks, breaks before makes each section rear
Switch Actuator Positioning Increment:
90.0 degrees single actuator
Switch Actuator Stop Device Type:
Fixed stop single actuator
Contact Load Current Rating:
30.0 amperes resistive load highest ac voltage rating at sea level
Contact Load Current Rating:
10.0 amperes resistive load lowest ac voltage rating at sea level
Style Designator:
Tap, circuit selector
Thread Series Designator:
Unc 1st mounting facility
Item Name:
Switch Control,rotary
Other Related Parts
No other part numbers with same form, fit, and function found.
